Home / 242,720.40-363,886.20-102,363.60

Finding the Fourth Proportional to 242,720.40, 363,886.20 and 102,363.60

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Solution

The fourth proportional to 242,720.40, 363,886.20 and 102,363.60 is: 153,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,720.40 : 363,886.20 = 102,363.60 : x
  2. Step 2: Convert to fraction form
    242,720.40/363,886.20 = 102,363.60/x
  3. Step 3: Cross multiply
    242,720.40x = 363,886.20 × 102,363.60
  4. Step 4: Simplify right side
    242,720.40x = 37,248,701,422.32
  5. Step 5: Solve for x
    x = 37,248,701,422.32/242,720.40
  6. Step 6: Final answer
    x = 153,463.41

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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.