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Finding the Fourth Proportional to 279,382.44, 385,547.76 and 152,058.96

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Solution

The fourth proportional to 279,382.44, 385,547.76 and 152,058.96 is: 209,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,382.44 : 385,547.76 = 152,058.96 : x
  2. Step 2: Convert to fraction form
    279,382.44/385,547.76 = 152,058.96/x
  3. Step 3: Cross multiply
    279,382.44x = 385,547.76 × 152,058.96
  4. Step 4: Simplify right side
    279,382.44x = 58,625,991,415.93
  5. Step 5: Solve for x
    x = 58,625,991,415.93/279,382.44
  6. Step 6: Final answer
    x = 209,841.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.