Home / 495,455.36-743,037.22-140,500.40

Finding the Fourth Proportional to 495,455.36, 743,037.22 and 140,500.40

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Solution

The fourth proportional to 495,455.36, 743,037.22 and 140,500.40 is: 210,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,455.36 : 743,037.22 = 140,500.40 : x
  2. Step 2: Convert to fraction form
    495,455.36/743,037.22 = 140,500.40/x
  3. Step 3: Cross multiply
    495,455.36x = 743,037.22 × 140,500.40
  4. Step 4: Simplify right side
    495,455.36x = 104,397,026,624.89
  5. Step 5: Solve for x
    x = 104,397,026,624.89/495,455.36
  6. Step 6: Final answer
    x = 210,709.25

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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.