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Finding the Fourth Proportional to 253,075.19, 349,227.12 and 145,627.88

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Solution

The fourth proportional to 253,075.19, 349,227.12 and 145,627.88 is: 200,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,075.19 : 349,227.12 = 145,627.88 : x
  2. Step 2: Convert to fraction form
    253,075.19/349,227.12 = 145,627.88/x
  3. Step 3: Cross multiply
    253,075.19x = 349,227.12 × 145,627.88
  4. Step 4: Simplify right side
    253,075.19x = 50,857,205,124.11
  5. Step 5: Solve for x
    x = 50,857,205,124.11/253,075.19
  6. Step 6: Final answer
    x = 200,956.90

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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.