Home / 302,121.60-452,894.40-112,531.20

Finding the Fourth Proportional to 302,121.60, 452,894.40 and 112,531.20

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Solution

The fourth proportional to 302,121.60, 452,894.40 and 112,531.20 is: 168,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,121.60 : 452,894.40 = 112,531.20 : x
  2. Step 2: Convert to fraction form
    302,121.60/452,894.40 = 112,531.20/x
  3. Step 3: Cross multiply
    302,121.60x = 452,894.40 × 112,531.20
  4. Step 4: Simplify right side
    302,121.60x = 50,964,750,305.28
  5. Step 5: Solve for x
    x = 50,964,750,305.28/302,121.60
  6. Step 6: Final answer
    x = 168,689.53

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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.