Home / 449,231.86-619,935.27-245,282.15

Finding the Fourth Proportional to 449,231.86, 619,935.27 and 245,282.15

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Solution

The fourth proportional to 449,231.86, 619,935.27 and 245,282.15 is: 338,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,231.86 : 619,935.27 = 245,282.15 : x
  2. Step 2: Convert to fraction form
    449,231.86/619,935.27 = 245,282.15/x
  3. Step 3: Cross multiply
    449,231.86x = 619,935.27 × 245,282.15
  4. Step 4: Simplify right side
    449,231.86x = 152,059,056,516.46
  5. Step 5: Solve for x
    x = 152,059,056,516.46/449,231.86
  6. Step 6: Final answer
    x = 338,486.80

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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.