Home / 407,429.37-562,241.79-226,140.84

Finding the Fourth Proportional to 407,429.37, 562,241.79 and 226,140.84

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Solution

The fourth proportional to 407,429.37, 562,241.79 and 226,140.84 is: 312,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,429.37 : 562,241.79 = 226,140.84 : x
  2. Step 2: Convert to fraction form
    407,429.37/562,241.79 = 226,140.84/x
  3. Step 3: Cross multiply
    407,429.37x = 562,241.79 × 226,140.84
  4. Step 4: Simplify right side
    407,429.37x = 127,145,830,673.70
  5. Step 5: Solve for x
    x = 127,145,830,673.70/407,429.37
  6. Step 6: Final answer
    x = 312,068.40

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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.