Home / 449,130.98-619,774.44-245,141.48

Finding the Fourth Proportional to 449,130.98, 619,774.44 and 245,141.48

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Solution

The fourth proportional to 449,130.98, 619,774.44 and 245,141.48 is: 338,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,130.98 : 619,774.44 = 245,141.48 : x
  2. Step 2: Convert to fraction form
    449,130.98/619,774.44 = 245,141.48/x
  3. Step 3: Cross multiply
    449,130.98x = 619,774.44 × 245,141.48
  4. Step 4: Simplify right side
    449,130.98x = 151,932,423,487.77
  5. Step 5: Solve for x
    x = 151,932,423,487.77/449,130.98
  6. Step 6: Final answer
    x = 338,280.88

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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.