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Finding the Fourth Proportional to 359,177.11, 495,984.81 and 342,162.25

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Solution

The fourth proportional to 359,177.11, 495,984.81 and 342,162.25 is: 472,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,177.11 : 495,984.81 = 342,162.25 : x
  2. Step 2: Convert to fraction form
    359,177.11/495,984.81 = 342,162.25/x
  3. Step 3: Cross multiply
    359,177.11x = 495,984.81 × 342,162.25
  4. Step 4: Simplify right side
    359,177.11x = 169,707,278,555.42
  5. Step 5: Solve for x
    x = 169,707,278,555.42/359,177.11
  6. Step 6: Final answer
    x = 472,489.13

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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.