Home / 630,128.30-944,908.14-180,747.20

Finding the Fourth Proportional to 630,128.30, 944,908.14 and 180,747.20

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Solution

The fourth proportional to 630,128.30, 944,908.14 and 180,747.20 is: 271,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,128.30 : 944,908.14 = 180,747.20 : x
  2. Step 2: Convert to fraction form
    630,128.30/944,908.14 = 180,747.20/x
  3. Step 3: Cross multiply
    630,128.30x = 944,908.14 × 180,747.20
  4. Step 4: Simplify right side
    630,128.30x = 170,789,500,562.21
  5. Step 5: Solve for x
    x = 170,789,500,562.21/630,128.30
  6. Step 6: Final answer
    x = 271,039.25

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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.