Home / 509,915.49-764,790.08-150,002.15

Finding the Fourth Proportional to 509,915.49, 764,790.08 and 150,002.15

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Solution

The fourth proportional to 509,915.49, 764,790.08 and 150,002.15 is: 224,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,915.49 : 764,790.08 = 150,002.15 : x
  2. Step 2: Convert to fraction form
    509,915.49/764,790.08 = 150,002.15/x
  3. Step 3: Cross multiply
    509,915.49x = 764,790.08 × 150,002.15
  4. Step 4: Simplify right side
    509,915.49x = 114,720,156,298.67
  5. Step 5: Solve for x
    x = 114,720,156,298.67/509,915.49
  6. Step 6: Final answer
    x = 224,978.76

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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.