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Finding the Fourth Proportional to 372,893.65, 514,373.44 and 263,875.34

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Solution

The fourth proportional to 372,893.65, 514,373.44 and 263,875.34 is: 363,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,893.65 : 514,373.44 = 263,875.34 : x
  2. Step 2: Convert to fraction form
    372,893.65/514,373.44 = 263,875.34/x
  3. Step 3: Cross multiply
    372,893.65x = 514,373.44 × 263,875.34
  4. Step 4: Simplify right side
    372,893.65x = 135,730,466,366.97
  5. Step 5: Solve for x
    x = 135,730,466,366.97/372,893.65
  6. Step 6: Final answer
    x = 363,992.43

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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.