Home / 495,437.22-743,155.81-140,454.31

Finding the Fourth Proportional to 495,437.22, 743,155.81 and 140,454.31

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Solution

The fourth proportional to 495,437.22, 743,155.81 and 140,454.31 is: 210,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,437.22 : 743,155.81 = 140,454.31 : x
  2. Step 2: Convert to fraction form
    495,437.22/743,155.81 = 140,454.31/x
  3. Step 3: Cross multiply
    495,437.22x = 743,155.81 × 140,454.31
  4. Step 4: Simplify right side
    495,437.22x = 104,379,436,516.04
  5. Step 5: Solve for x
    x = 104,379,436,516.04/495,437.22
  6. Step 6: Final answer
    x = 210,681.46

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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.