Home / 495,563.20-743,372.96-140,549.12

Finding the Fourth Proportional to 495,563.20, 743,372.96 and 140,549.12

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Solution

The fourth proportional to 495,563.20, 743,372.96 and 140,549.12 is: 210,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,563.20 : 743,372.96 = 140,549.12 : x
  2. Step 2: Convert to fraction form
    495,563.20/743,372.96 = 140,549.12/x
  3. Step 3: Cross multiply
    495,563.20x = 743,372.96 × 140,549.12
  4. Step 4: Simplify right side
    495,563.20x = 104,480,415,359.80
  5. Step 5: Solve for x
    x = 104,480,415,359.80/495,563.20
  6. Step 6: Final answer
    x = 210,831.67

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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.