Home / 254,430.60-382,022.55-142,334.70

Finding the Fourth Proportional to 254,430.60, 382,022.55 and 142,334.70

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Solution

The fourth proportional to 254,430.60, 382,022.55 and 142,334.70 is: 213,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,430.60 : 382,022.55 = 142,334.70 : x
  2. Step 2: Convert to fraction form
    254,430.60/382,022.55 = 142,334.70/x
  3. Step 3: Cross multiply
    254,430.60x = 382,022.55 × 142,334.70
  4. Step 4: Simplify right side
    254,430.60x = 54,375,065,047.49
  5. Step 5: Solve for x
    x = 54,375,065,047.49/254,430.60
  6. Step 6: Final answer
    x = 213,712.76

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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.