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Finding the Fourth Proportional to 307,216.95, 460,776.02 and 129,700.90

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Solution

The fourth proportional to 307,216.95, 460,776.02 and 129,700.90 is: 194,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,216.95 : 460,776.02 = 129,700.90 : x
  2. Step 2: Convert to fraction form
    307,216.95/460,776.02 = 129,700.90/x
  3. Step 3: Cross multiply
    307,216.95x = 460,776.02 × 129,700.90
  4. Step 4: Simplify right side
    307,216.95x = 59,763,062,192.80
  5. Step 5: Solve for x
    x = 59,763,062,192.80/307,216.95
  6. Step 6: Final answer
    x = 194,530.48

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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.