Home / 495,435.72-743,153.56-140,452.81

Finding the Fourth Proportional to 495,435.72, 743,153.56 and 140,452.81

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Solution

The fourth proportional to 495,435.72, 743,153.56 and 140,452.81 is: 210,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,435.72 : 743,153.56 = 140,452.81 : x
  2. Step 2: Convert to fraction form
    495,435.72/743,153.56 = 140,452.81/x
  3. Step 3: Cross multiply
    495,435.72x = 743,153.56 × 140,452.81
  4. Step 4: Simplify right side
    495,435.72x = 104,378,005,763.50
  5. Step 5: Solve for x
    x = 104,378,005,763.50/495,435.72
  6. Step 6: Final answer
    x = 210,679.21

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1.5x scale

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.