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Finding the Fourth Proportional to 366,795.32, 506,398.38 and 239,683.64

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Solution

The fourth proportional to 366,795.32, 506,398.38 and 239,683.64 is: 330,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,795.32 : 506,398.38 = 239,683.64 : x
  2. Step 2: Convert to fraction form
    366,795.32/506,398.38 = 239,683.64/x
  3. Step 3: Cross multiply
    366,795.32x = 506,398.38 × 239,683.64
  4. Step 4: Simplify right side
    366,795.32x = 121,375,407,008.50
  5. Step 5: Solve for x
    x = 121,375,407,008.50/366,795.32
  6. Step 6: Final answer
    x = 330,907.73

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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.