Home / 369,979.60-554,744.67-145,070.57

Finding the Fourth Proportional to 369,979.60, 554,744.67 and 145,070.57

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Solution

The fourth proportional to 369,979.60, 554,744.67 and 145,070.57 is: 217,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,979.60 : 554,744.67 = 145,070.57 : x
  2. Step 2: Convert to fraction form
    369,979.60/554,744.67 = 145,070.57/x
  3. Step 3: Cross multiply
    369,979.60x = 554,744.67 × 145,070.57
  4. Step 4: Simplify right side
    369,979.60x = 80,477,126,324.21
  5. Step 5: Solve for x
    x = 80,477,126,324.21/369,979.60
  6. Step 6: Final answer
    x = 217,517.74

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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.