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Finding the Fourth Proportional to 240,648.84, 360,794.35 and 145,855.76

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Solution

The fourth proportional to 240,648.84, 360,794.35 and 145,855.76 is: 218,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,648.84 : 360,794.35 = 145,855.76 : x
  2. Step 2: Convert to fraction form
    240,648.84/360,794.35 = 145,855.76/x
  3. Step 3: Cross multiply
    240,648.84x = 360,794.35 × 145,855.76
  4. Step 4: Simplify right side
    240,648.84x = 52,623,932,501.30
  5. Step 5: Solve for x
    x = 52,623,932,501.30/240,648.84
  6. Step 6: Final answer
    x = 218,675.20

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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.