Home / 495,569.70-743,382.75-140,555.64

Finding the Fourth Proportional to 495,569.70, 743,382.75 and 140,555.64

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Solution

The fourth proportional to 495,569.70, 743,382.75 and 140,555.64 is: 210,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,569.70 : 743,382.75 = 140,555.64 : x
  2. Step 2: Convert to fraction form
    495,569.70/743,382.75 = 140,555.64/x
  3. Step 3: Cross multiply
    495,569.70x = 743,382.75 × 140,555.64
  4. Step 4: Simplify right side
    495,569.70x = 104,486,638,191.21
  5. Step 5: Solve for x
    x = 104,486,638,191.21/495,569.70
  6. Step 6: Final answer
    x = 210,841.46

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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.