Home / 453,316.60-679,945.74-137,776.24

Finding the Fourth Proportional to 453,316.60, 679,945.74 and 137,776.24

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Solution

The fourth proportional to 453,316.60, 679,945.74 and 137,776.24 is: 206,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,316.60 : 679,945.74 = 137,776.24 : x
  2. Step 2: Convert to fraction form
    453,316.60/679,945.74 = 137,776.24/x
  3. Step 3: Cross multiply
    453,316.60x = 679,945.74 × 137,776.24
  4. Step 4: Simplify right side
    453,316.60x = 93,680,367,461.22
  5. Step 5: Solve for x
    x = 93,680,367,461.22/453,316.60
  6. Step 6: Final answer
    x = 206,655.50

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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.