Home / 321,077.07-443,384.19-240,364.49

Finding the Fourth Proportional to 321,077.07, 443,384.19 and 240,364.49

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Solution

The fourth proportional to 321,077.07, 443,384.19 and 240,364.49 is: 331,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,077.07 : 443,384.19 = 240,364.49 : x
  2. Step 2: Convert to fraction form
    321,077.07/443,384.19 = 240,364.49/x
  3. Step 3: Cross multiply
    321,077.07x = 443,384.19 × 240,364.49
  4. Step 4: Simplify right side
    321,077.07x = 106,573,812,486.49
  5. Step 5: Solve for x
    x = 106,573,812,486.49/321,077.07
  6. Step 6: Final answer
    x = 331,925.95

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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.