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Finding the Fourth Proportional to 337,124.34, 505,705.95 and 126,764.10

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Solution

The fourth proportional to 337,124.34, 505,705.95 and 126,764.10 is: 190,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,124.34 : 505,705.95 = 126,764.10 : x
  2. Step 2: Convert to fraction form
    337,124.34/505,705.95 = 126,764.10/x
  3. Step 3: Cross multiply
    337,124.34x = 505,705.95 × 126,764.10
  4. Step 4: Simplify right side
    337,124.34x = 64,105,359,616.40
  5. Step 5: Solve for x
    x = 64,105,359,616.40/337,124.34
  6. Step 6: Final answer
    x = 190,153.46

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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.