Home / 242,587.40-363,881.10-154,232.60

Finding the Fourth Proportional to 242,587.40, 363,881.10 and 154,232.60

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Solution

The fourth proportional to 242,587.40, 363,881.10 and 154,232.60 is: 231,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,587.40 : 363,881.10 = 154,232.60 : x
  2. Step 2: Convert to fraction form
    242,587.40/363,881.10 = 154,232.60/x
  3. Step 3: Cross multiply
    242,587.40x = 363,881.10 × 154,232.60
  4. Step 4: Simplify right side
    242,587.40x = 56,122,328,143.86
  5. Step 5: Solve for x
    x = 56,122,328,143.86/242,587.40
  6. Step 6: Final answer
    x = 231,348.90

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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.