Home / 379,863.24-569,584.48-155,381.30

Finding the Fourth Proportional to 379,863.24, 569,584.48 and 155,381.30

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Solution

The fourth proportional to 379,863.24, 569,584.48 and 155,381.30 is: 232,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,863.24 : 569,584.48 = 155,381.30 : x
  2. Step 2: Convert to fraction form
    379,863.24/569,584.48 = 155,381.30/x
  3. Step 3: Cross multiply
    379,863.24x = 569,584.48 × 155,381.30
  4. Step 4: Simplify right side
    379,863.24x = 88,502,776,962.22
  5. Step 5: Solve for x
    x = 88,502,776,962.22/379,863.24
  6. Step 6: Final answer
    x = 232,985.90

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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.