Home / 495,661.14-743,478.62-140,675.18

Finding the Fourth Proportional to 495,661.14, 743,478.62 and 140,675.18

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Solution

The fourth proportional to 495,661.14, 743,478.62 and 140,675.18 is: 211,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,661.14 : 743,478.62 = 140,675.18 : x
  2. Step 2: Convert to fraction form
    495,661.14/743,478.62 = 140,675.18/x
  3. Step 3: Cross multiply
    495,661.14x = 743,478.62 × 140,675.18
  4. Step 4: Simplify right side
    495,661.14x = 104,588,984,273.88
  5. Step 5: Solve for x
    x = 104,588,984,273.88/495,661.14
  6. Step 6: Final answer
    x = 211,009.05

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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.