Home / 409,584.68-565,246.25-228,298.10

Finding the Fourth Proportional to 409,584.68, 565,246.25 and 228,298.10

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Solution

The fourth proportional to 409,584.68, 565,246.25 and 228,298.10 is: 315,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,584.68 : 565,246.25 = 228,298.10 : x
  2. Step 2: Convert to fraction form
    409,584.68/565,246.25 = 228,298.10/x
  3. Step 3: Cross multiply
    409,584.68x = 565,246.25 × 228,298.10
  4. Step 4: Simplify right side
    409,584.68x = 129,044,641,795.52
  5. Step 5: Solve for x
    x = 129,044,641,795.52/409,584.68
  6. Step 6: Final answer
    x = 315,062.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.