Home / 509,026.60-763,626.30-154,037.80

Finding the Fourth Proportional to 509,026.60, 763,626.30 and 154,037.80

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Solution

The fourth proportional to 509,026.60, 763,626.30 and 154,037.80 is: 231,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,026.60 : 763,626.30 = 154,037.80 : x
  2. Step 2: Convert to fraction form
    509,026.60/763,626.30 = 154,037.80/x
  3. Step 3: Cross multiply
    509,026.60x = 763,626.30 × 154,037.80
  4. Step 4: Simplify right side
    509,026.60x = 117,627,315,274.14
  5. Step 5: Solve for x
    x = 117,627,315,274.14/509,026.60
  6. Step 6: Final answer
    x = 231,082.85

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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.