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Finding the Fourth Proportional to 342,073.64, 513,118.14 and 117,432.36

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Solution

The fourth proportional to 342,073.64, 513,118.14 and 117,432.36 is: 176,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,073.64 : 513,118.14 = 117,432.36 : x
  2. Step 2: Convert to fraction form
    342,073.64/513,118.14 = 117,432.36/x
  3. Step 3: Cross multiply
    342,073.64x = 513,118.14 × 117,432.36
  4. Step 4: Simplify right side
    342,073.64x = 60,256,674,139.01
  5. Step 5: Solve for x
    x = 60,256,674,139.01/342,073.64
  6. Step 6: Final answer
    x = 176,151.18

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1.5x scale

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.