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Finding the Fourth Proportional to 379,910.59, 569,866.94 and 155,271.06

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Solution

The fourth proportional to 379,910.59, 569,866.94 and 155,271.06 is: 232,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,910.59 : 569,866.94 = 155,271.06 : x
  2. Step 2: Convert to fraction form
    379,910.59/569,866.94 = 155,271.06/x
  3. Step 3: Cross multiply
    379,910.59x = 569,866.94 × 155,271.06
  4. Step 4: Simplify right side
    379,910.59x = 88,483,843,832.76
  5. Step 5: Solve for x
    x = 88,483,843,832.76/379,910.59
  6. Step 6: Final answer
    x = 232,907.02

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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.