Home / 495,984.42-743,864.85-140,990.58

Finding the Fourth Proportional to 495,984.42, 743,864.85 and 140,990.58

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Solution

The fourth proportional to 495,984.42, 743,864.85 and 140,990.58 is: 211,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,984.42 : 743,864.85 = 140,990.58 : x
  2. Step 2: Convert to fraction form
    495,984.42/743,864.85 = 140,990.58/x
  3. Step 3: Cross multiply
    495,984.42x = 743,864.85 × 140,990.58
  4. Step 4: Simplify right side
    495,984.42x = 104,877,936,643.11
  5. Step 5: Solve for x
    x = 104,877,936,643.11/495,984.42
  6. Step 6: Final answer
    x = 211,454.09

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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.