Home / 407,470.19-562,303.35-226,181.66

Finding the Fourth Proportional to 407,470.19, 562,303.35 and 226,181.66

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Solution

The fourth proportional to 407,470.19, 562,303.35 and 226,181.66 is: 312,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,470.19 : 562,303.35 = 226,181.66 : x
  2. Step 2: Convert to fraction form
    407,470.19/562,303.35 = 226,181.66/x
  3. Step 3: Cross multiply
    407,470.19x = 562,303.35 × 226,181.66
  4. Step 4: Simplify right side
    407,470.19x = 127,182,702,315.04
  5. Step 5: Solve for x
    x = 127,182,702,315.04/407,470.19
  6. Step 6: Final answer
    x = 312,127.63

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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.