Home / 495,457.35-743,040.21-140,502.39

Finding the Fourth Proportional to 495,457.35, 743,040.21 and 140,502.39

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Solution

The fourth proportional to 495,457.35, 743,040.21 and 140,502.39 is: 210,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,457.35 : 743,040.21 = 140,502.39 : x
  2. Step 2: Convert to fraction form
    495,457.35/743,040.21 = 140,502.39/x
  3. Step 3: Cross multiply
    495,457.35x = 743,040.21 × 140,502.39
  4. Step 4: Simplify right side
    495,457.35x = 104,398,925,371.10
  5. Step 5: Solve for x
    x = 104,398,925,371.10/495,457.35
  6. Step 6: Final answer
    x = 210,712.23

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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.