Home / 379,319.14-569,000.62-142,663.87

Finding the Fourth Proportional to 379,319.14, 569,000.62 and 142,663.87

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Solution

The fourth proportional to 379,319.14, 569,000.62 and 142,663.87 is: 214,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,319.14 : 569,000.62 = 142,663.87 : x
  2. Step 2: Convert to fraction form
    379,319.14/569,000.62 = 142,663.87/x
  3. Step 3: Cross multiply
    379,319.14x = 569,000.62 × 142,663.87
  4. Step 4: Simplify right side
    379,319.14x = 81,175,828,571.79
  5. Step 5: Solve for x
    x = 81,175,828,571.79/379,319.14
  6. Step 6: Final answer
    x = 214,004.04

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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.