Home / 389,386.62-537,358.61-226,081.41

Finding the Fourth Proportional to 389,386.62, 537,358.61 and 226,081.41

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Solution

The fourth proportional to 389,386.62, 537,358.61 and 226,081.41 is: 311,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,386.62 : 537,358.61 = 226,081.41 : x
  2. Step 2: Convert to fraction form
    389,386.62/537,358.61 = 226,081.41/x
  3. Step 3: Cross multiply
    389,386.62x = 537,358.61 × 226,081.41
  4. Step 4: Simplify right side
    389,386.62x = 121,486,791,094.03
  5. Step 5: Solve for x
    x = 121,486,791,094.03/389,386.62
  6. Step 6: Final answer
    x = 311,995.29

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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.