Home / 342,001.08-512,724.87-142,471.35

Finding the Fourth Proportional to 342,001.08, 512,724.87 and 142,471.35

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Solution

The fourth proportional to 342,001.08, 512,724.87 and 142,471.35 is: 213,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,001.08 : 512,724.87 = 142,471.35 : x
  2. Step 2: Convert to fraction form
    342,001.08/512,724.87 = 142,471.35/x
  3. Step 3: Cross multiply
    342,001.08x = 512,724.87 × 142,471.35
  4. Step 4: Simplify right side
    342,001.08x = 73,048,604,407.47
  5. Step 5: Solve for x
    x = 73,048,604,407.47/342,001.08
  6. Step 6: Final answer
    x = 213,591.74

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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.