Home / 317,337.73-437,923.49-172,143.10

Finding the Fourth Proportional to 317,337.73, 437,923.49 and 172,143.10

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Solution

The fourth proportional to 317,337.73, 437,923.49 and 172,143.10 is: 237,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,337.73 : 437,923.49 = 172,143.10 : x
  2. Step 2: Convert to fraction form
    317,337.73/437,923.49 = 172,143.10/x
  3. Step 3: Cross multiply
    317,337.73x = 437,923.49 × 172,143.10
  4. Step 4: Simplify right side
    317,337.73x = 75,385,507,131.42
  5. Step 5: Solve for x
    x = 75,385,507,131.42/317,337.73
  6. Step 6: Final answer
    x = 237,556.08

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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.