Home / 453,280.20-679,985.10-153,774.60

Finding the Fourth Proportional to 453,280.20, 679,985.10 and 153,774.60

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Solution

The fourth proportional to 453,280.20, 679,985.10 and 153,774.60 is: 230,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,280.20 : 679,985.10 = 153,774.60 : x
  2. Step 2: Convert to fraction form
    453,280.20/679,985.10 = 153,774.60/x
  3. Step 3: Cross multiply
    453,280.20x = 679,985.10 × 153,774.60
  4. Step 4: Simplify right side
    453,280.20x = 104,564,436,758.46
  5. Step 5: Solve for x
    x = 104,564,436,758.46/453,280.20
  6. Step 6: Final answer
    x = 230,683.88

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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.