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Finding the Fourth Proportional to 628,376.77, 942,423.13 and 179,088

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Solution

The fourth proportional to 628,376.77, 942,423.13 and 179,088 is: 268,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,376.77 : 942,423.13 = 179,088 : x
  2. Step 2: Convert to fraction form
    628,376.77/942,423.13 = 179,088/x
  3. Step 3: Cross multiply
    628,376.77x = 942,423.13 × 179,088
  4. Step 4: Simplify right side
    628,376.77x = 168,776,673,505.44
  5. Step 5: Solve for x
    x = 168,776,673,505.44/628,376.77
  6. Step 6: Final answer
    x = 268,591.52

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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.