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Finding the Fourth Proportional to 509,264.55, 763,976.07 and 154,194.03

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Solution

The fourth proportional to 509,264.55, 763,976.07 and 154,194.03 is: 231,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,264.55 : 763,976.07 = 154,194.03 : x
  2. Step 2: Convert to fraction form
    509,264.55/763,976.07 = 154,194.03/x
  3. Step 3: Cross multiply
    509,264.55x = 763,976.07 × 154,194.03
  4. Step 4: Simplify right side
    509,264.55x = 117,800,549,056.86
  5. Step 5: Solve for x
    x = 117,800,549,056.86/509,264.55
  6. Step 6: Final answer
    x = 231,315.04

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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.