Home / 282,438.09-423,660.55-82,762.52

Finding the Fourth Proportional to 282,438.09, 423,660.55 and 82,762.52

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Solution

The fourth proportional to 282,438.09, 423,660.55 and 82,762.52 is: 124,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,438.09 : 423,660.55 = 82,762.52 : x
  2. Step 2: Convert to fraction form
    282,438.09/423,660.55 = 82,762.52/x
  3. Step 3: Cross multiply
    282,438.09x = 423,660.55 × 82,762.52
  4. Step 4: Simplify right side
    282,438.09x = 35,063,214,742.59
  5. Step 5: Solve for x
    x = 35,063,214,742.59/282,438.09
  6. Step 6: Final answer
    x = 124,144.78

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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.