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Finding the Fourth Proportional to 356,888.00, 535,356.61 and 104,170.61

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Solution

The fourth proportional to 356,888.00, 535,356.61 and 104,170.61 is: 156,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,888.00 : 535,356.61 = 104,170.61 : x
  2. Step 2: Convert to fraction form
    356,888.00/535,356.61 = 104,170.61/x
  3. Step 3: Cross multiply
    356,888.00x = 535,356.61 × 104,170.61
  4. Step 4: Simplify right side
    356,888.00x = 55,768,425,709.20
  5. Step 5: Solve for x
    x = 55,768,425,709.20/356,888.00
  6. Step 6: Final answer
    x = 156,263.10

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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.