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Finding the Fourth Proportional to 344,940.20, 518,000.70 and 187,476.20

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Solution

The fourth proportional to 344,940.20, 518,000.70 and 187,476.20 is: 281,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,940.20 : 518,000.70 = 187,476.20 : x
  2. Step 2: Convert to fraction form
    344,940.20/518,000.70 = 187,476.20/x
  3. Step 3: Cross multiply
    344,940.20x = 518,000.70 × 187,476.20
  4. Step 4: Simplify right side
    344,940.20x = 97,112,802,833.34
  5. Step 5: Solve for x
    x = 97,112,802,833.34/344,940.20
  6. Step 6: Final answer
    x = 281,535.18

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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.