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Finding the Fourth Proportional to 242,222.80, 363,188.40 and 124,124.80

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Solution

The fourth proportional to 242,222.80, 363,188.40 and 124,124.80 is: 186,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,222.80 : 363,188.40 = 124,124.80 : x
  2. Step 2: Convert to fraction form
    242,222.80/363,188.40 = 124,124.80/x
  3. Step 3: Cross multiply
    242,222.80x = 363,188.40 × 124,124.80
  4. Step 4: Simplify right side
    242,222.80x = 45,080,687,512.32
  5. Step 5: Solve for x
    x = 45,080,687,512.32/242,222.80
  6. Step 6: Final answer
    x = 186,112.49

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1.5x scale

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.