Home / 282,579.60-423,869.60-72,217.76

Finding the Fourth Proportional to 282,579.60, 423,869.60 and 72,217.76

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Solution

The fourth proportional to 282,579.60, 423,869.60 and 72,217.76 is: 108,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,579.60 : 423,869.60 = 72,217.76 : x
  2. Step 2: Convert to fraction form
    282,579.60/423,869.60 = 72,217.76/x
  3. Step 3: Cross multiply
    282,579.60x = 423,869.60 × 72,217.76
  4. Step 4: Simplify right side
    282,579.60x = 30,610,913,044.10
  5. Step 5: Solve for x
    x = 30,610,913,044.10/282,579.60
  6. Step 6: Final answer
    x = 108,326.69

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1.5x scale

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.