Home / 314,834.13-472,321.35-115,150.10

Finding the Fourth Proportional to 314,834.13, 472,321.35 and 115,150.10

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Solution

The fourth proportional to 314,834.13, 472,321.35 and 115,150.10 is: 172,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,834.13 : 472,321.35 = 115,150.10 : x
  2. Step 2: Convert to fraction form
    314,834.13/472,321.35 = 115,150.10/x
  3. Step 3: Cross multiply
    314,834.13x = 472,321.35 × 115,150.10
  4. Step 4: Simplify right side
    314,834.13x = 54,387,848,323.03
  5. Step 5: Solve for x
    x = 54,387,848,323.03/314,834.13
  6. Step 6: Final answer
    x = 172,750.80

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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.