Home / 407,379.68-562,167.28-226,099.16

Finding the Fourth Proportional to 407,379.68, 562,167.28 and 226,099.16

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Solution

The fourth proportional to 407,379.68, 562,167.28 and 226,099.16 is: 312,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,379.68 : 562,167.28 = 226,099.16 : x
  2. Step 2: Convert to fraction form
    407,379.68/562,167.28 = 226,099.16/x
  3. Step 3: Cross multiply
    407,379.68x = 562,167.28 × 226,099.16
  4. Step 4: Simplify right side
    407,379.68x = 127,105,549,787.49
  5. Step 5: Solve for x
    x = 127,105,549,787.49/407,379.68
  6. Step 6: Final answer
    x = 312,007.58

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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.