Home / 314,942.60-472,275.38-115,211.18

Finding the Fourth Proportional to 314,942.60, 472,275.38 and 115,211.18

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Solution

The fourth proportional to 314,942.60, 472,275.38 and 115,211.18 is: 172,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,942.60 : 472,275.38 = 115,211.18 : x
  2. Step 2: Convert to fraction form
    314,942.60/472,275.38 = 115,211.18/x
  3. Step 3: Cross multiply
    314,942.60x = 472,275.38 × 115,211.18
  4. Step 4: Simplify right side
    314,942.60x = 54,411,403,814.75
  5. Step 5: Solve for x
    x = 54,411,403,814.75/314,942.60
  6. Step 6: Final answer
    x = 172,766.10

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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.