Home / 550,257.20-824,905.80-213,527.60

Finding the Fourth Proportional to 550,257.20, 824,905.80 and 213,527.60

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Solution

The fourth proportional to 550,257.20, 824,905.80 and 213,527.60 is: 320,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,257.20 : 824,905.80 = 213,527.60 : x
  2. Step 2: Convert to fraction form
    550,257.20/824,905.80 = 213,527.60/x
  3. Step 3: Cross multiply
    550,257.20x = 824,905.80 × 213,527.60
  4. Step 4: Simplify right side
    550,257.20x = 176,140,155,700.08
  5. Step 5: Solve for x
    x = 176,140,155,700.08/550,257.20
  6. Step 6: Final answer
    x = 320,105.14

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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.