Home / 465,440.64-698,147.04-128,501.82

Finding the Fourth Proportional to 465,440.64, 698,147.04 and 128,501.82

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Solution

The fourth proportional to 465,440.64, 698,147.04 and 128,501.82 is: 192,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,440.64 : 698,147.04 = 128,501.82 : x
  2. Step 2: Convert to fraction form
    465,440.64/698,147.04 = 128,501.82/x
  3. Step 3: Cross multiply
    465,440.64x = 698,147.04 × 128,501.82
  4. Step 4: Simplify right side
    465,440.64x = 89,713,165,267.61
  5. Step 5: Solve for x
    x = 89,713,165,267.61/465,440.64
  6. Step 6: Final answer
    x = 192,748.89

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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.