Home / 314,895.39-472,294.40-115,169.07

Finding the Fourth Proportional to 314,895.39, 472,294.40 and 115,169.07

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Solution

The fourth proportional to 314,895.39, 472,294.40 and 115,169.07 is: 172,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.39 : 472,294.40 = 115,169.07 : x
  2. Step 2: Convert to fraction form
    314,895.39/472,294.40 = 115,169.07/x
  3. Step 3: Cross multiply
    314,895.39x = 472,294.40 × 115,169.07
  4. Step 4: Simplify right side
    314,895.39x = 54,393,706,238.36
  5. Step 5: Solve for x
    x = 54,393,706,238.36/314,895.39
  6. Step 6: Final answer
    x = 172,735.80

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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.