Home / 495,220.24-742,862.04-140,262.40

Finding the Fourth Proportional to 495,220.24, 742,862.04 and 140,262.40

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Solution

The fourth proportional to 495,220.24, 742,862.04 and 140,262.40 is: 210,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,220.24 : 742,862.04 = 140,262.40 : x
  2. Step 2: Convert to fraction form
    495,220.24/742,862.04 = 140,262.40/x
  3. Step 3: Cross multiply
    495,220.24x = 742,862.04 × 140,262.40
  4. Step 4: Simplify right side
    495,220.24x = 104,195,612,599.30
  5. Step 5: Solve for x
    x = 104,195,612,599.30/495,220.24
  6. Step 6: Final answer
    x = 210,402.57

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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.