Home / 282,856.20-424,274.70-72,496.20

Finding the Fourth Proportional to 282,856.20, 424,274.70 and 72,496.20

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Solution

The fourth proportional to 282,856.20, 424,274.70 and 72,496.20 is: 108,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,856.20 : 424,274.70 = 72,496.20 : x
  2. Step 2: Convert to fraction form
    282,856.20/424,274.70 = 72,496.20/x
  3. Step 3: Cross multiply
    282,856.20x = 424,274.70 × 72,496.20
  4. Step 4: Simplify right side
    282,856.20x = 30,758,303,506.14
  5. Step 5: Solve for x
    x = 30,758,303,506.14/282,856.20
  6. Step 6: Final answer
    x = 108,741.84

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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.