Home / 423,280.30-634,755.05-153,344.35

Finding the Fourth Proportional to 423,280.30, 634,755.05 and 153,344.35

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Solution

The fourth proportional to 423,280.30, 634,755.05 and 153,344.35 is: 229,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,280.30 : 634,755.05 = 153,344.35 : x
  2. Step 2: Convert to fraction form
    423,280.30/634,755.05 = 153,344.35/x
  3. Step 3: Cross multiply
    423,280.30x = 634,755.05 × 153,344.35
  4. Step 4: Simplify right side
    423,280.30x = 97,336,102,369.32
  5. Step 5: Solve for x
    x = 97,336,102,369.32/423,280.30
  6. Step 6: Final answer
    x = 229,956.61

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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.