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Finding the Fourth Proportional to 407,460.51, 562,235.58 and 226,173.87

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Solution

The fourth proportional to 407,460.51, 562,235.58 and 226,173.87 is: 312,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,460.51 : 562,235.58 = 226,173.87 : x
  2. Step 2: Convert to fraction form
    407,460.51/562,235.58 = 226,173.87/x
  3. Step 3: Cross multiply
    407,460.51x = 562,235.58 × 226,173.87
  4. Step 4: Simplify right side
    407,460.51x = 127,162,996,980.30
  5. Step 5: Solve for x
    x = 127,162,996,980.30/407,460.51
  6. Step 6: Final answer
    x = 312,086.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.