Home / 282,484.40-423,784.91-82,811.30

Finding the Fourth Proportional to 282,484.40, 423,784.91 and 82,811.30

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Solution

The fourth proportional to 282,484.40, 423,784.91 and 82,811.30 is: 124,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,484.40 : 423,784.91 = 82,811.30 : x
  2. Step 2: Convert to fraction form
    282,484.40/423,784.91 = 82,811.30/x
  3. Step 3: Cross multiply
    282,484.40x = 423,784.91 × 82,811.30
  4. Step 4: Simplify right side
    282,484.40x = 35,094,177,405.59
  5. Step 5: Solve for x
    x = 35,094,177,405.59/282,484.40
  6. Step 6: Final answer
    x = 124,234.04

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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.