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Finding the Fourth Proportional to 279,560.59, 385,798.01 and 152,236.08

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Solution

The fourth proportional to 279,560.59, 385,798.01 and 152,236.08 is: 210,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,560.59 : 385,798.01 = 152,236.08 : x
  2. Step 2: Convert to fraction form
    279,560.59/385,798.01 = 152,236.08/x
  3. Step 3: Cross multiply
    279,560.59x = 385,798.01 × 152,236.08
  4. Step 4: Simplify right side
    279,560.59x = 58,732,375,953.02
  5. Step 5: Solve for x
    x = 58,732,375,953.02/279,560.59
  6. Step 6: Final answer
    x = 210,088.18

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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.