Home / 379,331.16-569,081.49-142,675.89

Finding the Fourth Proportional to 379,331.16, 569,081.49 and 142,675.89

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Solution

The fourth proportional to 379,331.16, 569,081.49 and 142,675.89 is: 214,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,331.16 : 569,081.49 = 142,675.89 : x
  2. Step 2: Convert to fraction form
    379,331.16/569,081.49 = 142,675.89/x
  3. Step 3: Cross multiply
    379,331.16x = 569,081.49 × 142,675.89
  4. Step 4: Simplify right side
    379,331.16x = 81,194,208,068.28
  5. Step 5: Solve for x
    x = 81,194,208,068.28/379,331.16
  6. Step 6: Final answer
    x = 214,045.71

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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.