Home / 284,367.76-392,247.29-216,235.36

Finding the Fourth Proportional to 284,367.76, 392,247.29 and 216,235.36

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Solution

The fourth proportional to 284,367.76, 392,247.29 and 216,235.36 is: 298,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,367.76 : 392,247.29 = 216,235.36 : x
  2. Step 2: Convert to fraction form
    284,367.76/392,247.29 = 216,235.36/x
  3. Step 3: Cross multiply
    284,367.76x = 392,247.29 × 216,235.36
  4. Step 4: Simplify right side
    284,367.76x = 84,817,732,786.68
  5. Step 5: Solve for x
    x = 84,817,732,786.68/284,367.76
  6. Step 6: Final answer
    x = 298,267.75

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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.