Home / 353,820.18-488,267.02-200,857.04

Finding the Fourth Proportional to 353,820.18, 488,267.02 and 200,857.04

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Solution

The fourth proportional to 353,820.18, 488,267.02 and 200,857.04 is: 277,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,820.18 : 488,267.02 = 200,857.04 : x
  2. Step 2: Convert to fraction form
    353,820.18/488,267.02 = 200,857.04/x
  3. Step 3: Cross multiply
    353,820.18x = 488,267.02 × 200,857.04
  4. Step 4: Simplify right side
    353,820.18x = 98,071,865,423.34
  5. Step 5: Solve for x
    x = 98,071,865,423.34/353,820.18
  6. Step 6: Final answer
    x = 277,179.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.