Home / 272,322.10-375,778.16-157,577.86

Finding the Fourth Proportional to 272,322.10, 375,778.16 and 157,577.86

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Solution

The fourth proportional to 272,322.10, 375,778.16 and 157,577.86 is: 217,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,322.10 : 375,778.16 = 157,577.86 : x
  2. Step 2: Convert to fraction form
    272,322.10/375,778.16 = 157,577.86/x
  3. Step 3: Cross multiply
    272,322.10x = 375,778.16 × 157,577.86
  4. Step 4: Simplify right side
    272,322.10x = 59,214,318,287.54
  5. Step 5: Solve for x
    x = 59,214,318,287.54/272,322.10
  6. Step 6: Final answer
    x = 217,442.21

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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.