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Finding the Fourth Proportional to 288,625.49, 432,754.83 and 253,158.02

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Solution

The fourth proportional to 288,625.49, 432,754.83 and 253,158.02 is: 379,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,625.49 : 432,754.83 = 253,158.02 : x
  2. Step 2: Convert to fraction form
    288,625.49/432,754.83 = 253,158.02/x
  3. Step 3: Cross multiply
    288,625.49x = 432,754.83 × 253,158.02
  4. Step 4: Simplify right side
    288,625.49x = 109,555,353,744.46
  5. Step 5: Solve for x
    x = 109,555,353,744.46/288,625.49
  6. Step 6: Final answer
    x = 379,576.16

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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.