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Finding the Fourth Proportional to 294,744.70, 442,117.05 and 73,128.70

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Solution

The fourth proportional to 294,744.70, 442,117.05 and 73,128.70 is: 109,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,744.70 : 442,117.05 = 73,128.70 : x
  2. Step 2: Convert to fraction form
    294,744.70/442,117.05 = 73,128.70/x
  3. Step 3: Cross multiply
    294,744.70x = 442,117.05 × 73,128.70
  4. Step 4: Simplify right side
    294,744.70x = 32,331,445,114.34
  5. Step 5: Solve for x
    x = 32,331,445,114.34/294,744.70
  6. Step 6: Final answer
    x = 109,693.05

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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.