Home / 317,747.20-476,966.40-177,779.20

Finding the Fourth Proportional to 317,747.20, 476,966.40 and 177,779.20

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Solution

The fourth proportional to 317,747.20, 476,966.40 and 177,779.20 is: 266,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,747.20 : 476,966.40 = 177,779.20 : x
  2. Step 2: Convert to fraction form
    317,747.20/476,966.40 = 177,779.20/x
  3. Step 3: Cross multiply
    317,747.20x = 476,966.40 × 177,779.20
  4. Step 4: Simplify right side
    317,747.20x = 84,794,705,018.88
  5. Step 5: Solve for x
    x = 84,794,705,018.88/317,747.20
  6. Step 6: Final answer
    x = 266,862.16

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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.