Home / 389,401.22-537,327.88-226,019.97

Finding the Fourth Proportional to 389,401.22, 537,327.88 and 226,019.97

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Solution

The fourth proportional to 389,401.22, 537,327.88 and 226,019.97 is: 311,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,401.22 : 537,327.88 = 226,019.97 : x
  2. Step 2: Convert to fraction form
    389,401.22/537,327.88 = 226,019.97/x
  3. Step 3: Cross multiply
    389,401.22x = 537,327.88 × 226,019.97
  4. Step 4: Simplify right side
    389,401.22x = 121,446,830,752.71
  5. Step 5: Solve for x
    x = 121,446,830,752.71/389,401.22
  6. Step 6: Final answer
    x = 311,880.97

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1.5x scale

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.