Home / 495,436.22-743,154.32-140,453.31

Finding the Fourth Proportional to 495,436.22, 743,154.32 and 140,453.31

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Solution

The fourth proportional to 495,436.22, 743,154.32 and 140,453.31 is: 210,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,436.22 : 743,154.32 = 140,453.31 : x
  2. Step 2: Convert to fraction form
    495,436.22/743,154.32 = 140,453.31/x
  3. Step 3: Cross multiply
    495,436.22x = 743,154.32 × 140,453.31
  4. Step 4: Simplify right side
    495,436.22x = 104,378,483,382.53
  5. Step 5: Solve for x
    x = 104,378,483,382.53/495,436.22
  6. Step 6: Final answer
    x = 210,679.96

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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.