Home / 408,047.03-612,070.55-141,834.45

Finding the Fourth Proportional to 408,047.03, 612,070.55 and 141,834.45

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Solution

The fourth proportional to 408,047.03, 612,070.55 and 141,834.45 is: 212,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,047.03 : 612,070.55 = 141,834.45 : x
  2. Step 2: Convert to fraction form
    408,047.03/612,070.55 = 141,834.45/x
  3. Step 3: Cross multiply
    408,047.03x = 612,070.55 × 141,834.45
  4. Step 4: Simplify right side
    408,047.03x = 86,812,689,111.28
  5. Step 5: Solve for x
    x = 86,812,689,111.28/408,047.03
  6. Step 6: Final answer
    x = 212,751.68

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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.