Home / 379,600.04-523,827.60-209,824.04

Finding the Fourth Proportional to 379,600.04, 523,827.60 and 209,824.04

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Solution

The fourth proportional to 379,600.04, 523,827.60 and 209,824.04 is: 289,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,600.04 : 523,827.60 = 209,824.04 : x
  2. Step 2: Convert to fraction form
    379,600.04/523,827.60 = 209,824.04/x
  3. Step 3: Cross multiply
    379,600.04x = 523,827.60 × 209,824.04
  4. Step 4: Simplify right side
    379,600.04x = 109,911,623,295.50
  5. Step 5: Solve for x
    x = 109,911,623,295.50/379,600.04
  6. Step 6: Final answer
    x = 289,545.87

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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.