Home / 282,600.80-423,899.52-72,238.40

Finding the Fourth Proportional to 282,600.80, 423,899.52 and 72,238.40

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Solution

The fourth proportional to 282,600.80, 423,899.52 and 72,238.40 is: 108,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,600.80 : 423,899.52 = 72,238.40 : x
  2. Step 2: Convert to fraction form
    282,600.80/423,899.52 = 72,238.40/x
  3. Step 3: Cross multiply
    282,600.80x = 423,899.52 × 72,238.40
  4. Step 4: Simplify right side
    282,600.80x = 30,621,823,085.57
  5. Step 5: Solve for x
    x = 30,621,823,085.57/282,600.80
  6. Step 6: Final answer
    x = 108,357.17

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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.