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Finding the Fourth Proportional to 495,613, 743,417.07 and 140,627.67

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Solution

The fourth proportional to 495,613, 743,417.07 and 140,627.67 is: 210,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,613 : 743,417.07 = 140,627.67 : x
  2. Step 2: Convert to fraction form
    495,613/743,417.07 = 140,627.67/x
  3. Step 3: Cross multiply
    495,613x = 743,417.07 × 140,627.67
  4. Step 4: Simplify right side
    495,613x = 104,545,006,675.24
  5. Step 5: Solve for x
    x = 104,545,006,675.24/495,613
  6. Step 6: Final answer
    x = 210,940.81

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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.