Home / 437,115.48-655,507.08-209,177.10

Finding the Fourth Proportional to 437,115.48, 655,507.08 and 209,177.10

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Solution

The fourth proportional to 437,115.48, 655,507.08 and 209,177.10 is: 313,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,115.48 : 655,507.08 = 209,177.10 : x
  2. Step 2: Convert to fraction form
    437,115.48/655,507.08 = 209,177.10/x
  3. Step 3: Cross multiply
    437,115.48x = 655,507.08 × 209,177.10
  4. Step 4: Simplify right side
    437,115.48x = 137,117,070,023.87
  5. Step 5: Solve for x
    x = 137,117,070,023.87/437,115.48
  6. Step 6: Final answer
    x = 313,686.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.