Home / 495,487.75-743,268.80-140,530.36

Finding the Fourth Proportional to 495,487.75, 743,268.80 and 140,530.36

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Solution

The fourth proportional to 495,487.75, 743,268.80 and 140,530.36 is: 210,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,487.75 : 743,268.80 = 140,530.36 : x
  2. Step 2: Convert to fraction form
    495,487.75/743,268.80 = 140,530.36/x
  3. Step 3: Cross multiply
    495,487.75x = 743,268.80 × 140,530.36
  4. Step 4: Simplify right side
    495,487.75x = 104,451,831,338.12
  5. Step 5: Solve for x
    x = 104,451,831,338.12/495,487.75
  6. Step 6: Final answer
    x = 210,806.08

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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.