Home / 389,278.04-537,222.10-219,508.52

Finding the Fourth Proportional to 389,278.04, 537,222.10 and 219,508.52

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Solution

The fourth proportional to 389,278.04, 537,222.10 and 219,508.52 is: 302,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,278.04 : 537,222.10 = 219,508.52 : x
  2. Step 2: Convert to fraction form
    389,278.04/537,222.10 = 219,508.52/x
  3. Step 3: Cross multiply
    389,278.04x = 537,222.10 × 219,508.52
  4. Step 4: Simplify right side
    389,278.04x = 117,924,828,082.29
  5. Step 5: Solve for x
    x = 117,924,828,082.29/389,278.04
  6. Step 6: Final answer
    x = 302,932.14

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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.