Home / 495,455.35-743,037.21-140,500.39

Finding the Fourth Proportional to 495,455.35, 743,037.21 and 140,500.39

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Solution

The fourth proportional to 495,455.35, 743,037.21 and 140,500.39 is: 210,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,455.35 : 743,037.21 = 140,500.39 : x
  2. Step 2: Convert to fraction form
    495,455.35/743,037.21 = 140,500.39/x
  3. Step 3: Cross multiply
    495,455.35x = 743,037.21 × 140,500.39
  4. Step 4: Simplify right side
    495,455.35x = 104,397,017,789.51
  5. Step 5: Solve for x
    x = 104,397,017,789.51/495,455.35
  6. Step 6: Final answer
    x = 210,709.24

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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.