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Finding the Fourth Proportional to 342,230.87, 513,307.07 and 89,535.74

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Solution

The fourth proportional to 342,230.87, 513,307.07 and 89,535.74 is: 134,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,230.87 : 513,307.07 = 89,535.74 : x
  2. Step 2: Convert to fraction form
    342,230.87/513,307.07 = 89,535.74/x
  3. Step 3: Cross multiply
    342,230.87x = 513,307.07 × 89,535.74
  4. Step 4: Simplify right side
    342,230.87x = 45,959,328,359.68
  5. Step 5: Solve for x
    x = 45,959,328,359.68/342,230.87
  6. Step 6: Final answer
    x = 134,293.35

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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.