Home / 453,148.24-679,678.20-137,607.88

Finding the Fourth Proportional to 453,148.24, 679,678.20 and 137,607.88

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Solution

The fourth proportional to 453,148.24, 679,678.20 and 137,607.88 is: 206,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,148.24 : 679,678.20 = 137,607.88 : x
  2. Step 2: Convert to fraction form
    453,148.24/679,678.20 = 137,607.88/x
  3. Step 3: Cross multiply
    453,148.24x = 679,678.20 × 137,607.88
  4. Step 4: Simplify right side
    453,148.24x = 93,529,076,184.22
  5. Step 5: Solve for x
    x = 93,529,076,184.22/453,148.24
  6. Step 6: Final answer
    x = 206,398.41

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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.