Home / 439,328.14-659,044.15-154,959.37

Finding the Fourth Proportional to 439,328.14, 659,044.15 and 154,959.37

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Solution

The fourth proportional to 439,328.14, 659,044.15 and 154,959.37 is: 232,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,328.14 : 659,044.15 = 154,959.37 : x
  2. Step 2: Convert to fraction form
    439,328.14/659,044.15 = 154,959.37/x
  3. Step 3: Cross multiply
    439,328.14x = 659,044.15 × 154,959.37
  4. Step 4: Simplify right side
    439,328.14x = 102,125,066,286.19
  5. Step 5: Solve for x
    x = 102,125,066,286.19/439,328.14
  6. Step 6: Final answer
    x = 232,457.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.