Home / 495,395.10-743,091.29-140,412.20

Finding the Fourth Proportional to 495,395.10, 743,091.29 and 140,412.20

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Solution

The fourth proportional to 495,395.10, 743,091.29 and 140,412.20 is: 210,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,395.10 : 743,091.29 = 140,412.20 : x
  2. Step 2: Convert to fraction form
    495,395.10/743,091.29 = 140,412.20/x
  3. Step 3: Cross multiply
    495,395.10x = 743,091.29 × 140,412.20
  4. Step 4: Simplify right side
    495,395.10x = 104,339,078,412.22
  5. Step 5: Solve for x
    x = 104,339,078,412.22/495,395.10
  6. Step 6: Final answer
    x = 210,617.91

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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.