Home / 399,980.18-552,029.03-245,023.94

Finding the Fourth Proportional to 399,980.18, 552,029.03 and 245,023.94

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Solution

The fourth proportional to 399,980.18, 552,029.03 and 245,023.94 is: 338,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,980.18 : 552,029.03 = 245,023.94 : x
  2. Step 2: Convert to fraction form
    399,980.18/552,029.03 = 245,023.94/x
  3. Step 3: Cross multiply
    399,980.18x = 552,029.03 × 245,023.94
  4. Step 4: Simplify right side
    399,980.18x = 135,260,323,939.71
  5. Step 5: Solve for x
    x = 135,260,323,939.71/399,980.18
  6. Step 6: Final answer
    x = 338,167.57

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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.