Home / 449,271.12-619,991.10-248,067.12

Finding the Fourth Proportional to 449,271.12, 619,991.10 and 248,067.12

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Solution

The fourth proportional to 449,271.12, 619,991.10 and 248,067.12 is: 342,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,271.12 : 619,991.10 = 248,067.12 : x
  2. Step 2: Convert to fraction form
    449,271.12/619,991.10 = 248,067.12/x
  3. Step 3: Cross multiply
    449,271.12x = 619,991.10 × 248,067.12
  4. Step 4: Simplify right side
    449,271.12x = 153,799,406,602.63
  5. Step 5: Solve for x
    x = 153,799,406,602.63/449,271.12
  6. Step 6: Final answer
    x = 342,330.94

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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.