Home / 495,211.88-742,719.40-242,383.75

Finding the Fourth Proportional to 495,211.88, 742,719.40 and 242,383.75

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Solution

The fourth proportional to 495,211.88, 742,719.40 and 242,383.75 is: 363,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,211.88 : 742,719.40 = 242,383.75 : x
  2. Step 2: Convert to fraction form
    495,211.88/742,719.40 = 242,383.75/x
  3. Step 3: Cross multiply
    495,211.88x = 742,719.40 × 242,383.75
  4. Step 4: Simplify right side
    495,211.88x = 180,023,110,906.99
  5. Step 5: Solve for x
    x = 180,023,110,906.99/495,211.88
  6. Step 6: Final answer
    x = 363,527.45

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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.