Home / 314,899.27-472,300.21-115,172.95

Finding the Fourth Proportional to 314,899.27, 472,300.21 and 115,172.95

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Solution

The fourth proportional to 314,899.27, 472,300.21 and 115,172.95 is: 172,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,899.27 : 472,300.21 = 115,172.95 : x
  2. Step 2: Convert to fraction form
    314,899.27/472,300.21 = 115,172.95/x
  3. Step 3: Cross multiply
    314,899.27x = 472,300.21 × 115,172.95
  4. Step 4: Simplify right side
    314,899.27x = 54,396,205,821.89
  5. Step 5: Solve for x
    x = 54,396,205,821.89/314,899.27
  6. Step 6: Final answer
    x = 172,741.61

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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.