Home / 315,036.30-472,554.45-115,363.20

Finding the Fourth Proportional to 315,036.30, 472,554.45 and 115,363.20

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Solution

The fourth proportional to 315,036.30, 472,554.45 and 115,363.20 is: 173,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,036.30 : 472,554.45 = 115,363.20 : x
  2. Step 2: Convert to fraction form
    315,036.30/472,554.45 = 115,363.20/x
  3. Step 3: Cross multiply
    315,036.30x = 472,554.45 × 115,363.20
  4. Step 4: Simplify right side
    315,036.30x = 54,515,393,526.24
  5. Step 5: Solve for x
    x = 54,515,393,526.24/315,036.30
  6. Step 6: Final answer
    x = 173,044.80

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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.