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Finding the Fourth Proportional to 372,960.68, 514,695.75 and 203,205.74

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Solution

The fourth proportional to 372,960.68, 514,695.75 and 203,205.74 is: 280,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,960.68 : 514,695.75 = 203,205.74 : x
  2. Step 2: Convert to fraction form
    372,960.68/514,695.75 = 203,205.74/x
  3. Step 3: Cross multiply
    372,960.68x = 514,695.75 × 203,205.74
  4. Step 4: Simplify right side
    372,960.68x = 104,589,130,753.61
  5. Step 5: Solve for x
    x = 104,589,130,753.61/372,960.68
  6. Step 6: Final answer
    x = 280,429.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.