Home / 379,862.24-569,582.98-155,380.30

Finding the Fourth Proportional to 379,862.24, 569,582.98 and 155,380.30

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Solution

The fourth proportional to 379,862.24, 569,582.98 and 155,380.30 is: 232,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,862.24 : 569,582.98 = 155,380.30 : x
  2. Step 2: Convert to fraction form
    379,862.24/569,582.98 = 155,380.30/x
  3. Step 3: Cross multiply
    379,862.24x = 569,582.98 × 155,380.30
  4. Step 4: Simplify right side
    379,862.24x = 88,501,971,459.38
  5. Step 5: Solve for x
    x = 88,501,971,459.38/379,862.24
  6. Step 6: Final answer
    x = 232,984.39

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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.