Home / 242,327.70-363,707.55-142,362.90

Finding the Fourth Proportional to 242,327.70, 363,707.55 and 142,362.90

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Solution

The fourth proportional to 242,327.70, 363,707.55 and 142,362.90 is: 213,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,327.70 : 363,707.55 = 142,362.90 : x
  2. Step 2: Convert to fraction form
    242,327.70/363,707.55 = 142,362.90/x
  3. Step 3: Cross multiply
    242,327.70x = 363,707.55 × 142,362.90
  4. Step 4: Simplify right side
    242,327.70x = 51,778,461,569.90
  5. Step 5: Solve for x
    x = 51,778,461,569.90/242,327.70
  6. Step 6: Final answer
    x = 213,671.25

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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.