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Finding the Fourth Proportional to 282,348.40, 423,687.84 and 104,977.84

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Solution

The fourth proportional to 282,348.40, 423,687.84 and 104,977.84 is: 157,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,348.40 : 423,687.84 = 104,977.84 : x
  2. Step 2: Convert to fraction form
    282,348.40/423,687.84 = 104,977.84/x
  3. Step 3: Cross multiply
    282,348.40x = 423,687.84 × 104,977.84
  4. Step 4: Simplify right side
    282,348.40x = 44,477,834,277.47
  5. Step 5: Solve for x
    x = 44,477,834,277.47/282,348.40
  6. Step 6: Final answer
    x = 157,528.20

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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.