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Finding the Fourth Proportional to 372,946.62, 514,703.50 and 227,744.40

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Solution

The fourth proportional to 372,946.62, 514,703.50 and 227,744.40 is: 314,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,946.62 : 514,703.50 = 227,744.40 : x
  2. Step 2: Convert to fraction form
    372,946.62/514,703.50 = 227,744.40/x
  3. Step 3: Cross multiply
    372,946.62x = 514,703.50 × 227,744.40
  4. Step 4: Simplify right side
    372,946.62x = 117,220,839,785.40
  5. Step 5: Solve for x
    x = 117,220,839,785.40/372,946.62
  6. Step 6: Final answer
    x = 314,309.97

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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.