Home / 289,031.04-398,886.44-166,561.52

Finding the Fourth Proportional to 289,031.04, 398,886.44 and 166,561.52

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Solution

The fourth proportional to 289,031.04, 398,886.44 and 166,561.52 is: 229,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,031.04 : 398,886.44 = 166,561.52 : x
  2. Step 2: Convert to fraction form
    289,031.04/398,886.44 = 166,561.52/x
  3. Step 3: Cross multiply
    289,031.04x = 398,886.44 × 166,561.52
  4. Step 4: Simplify right side
    289,031.04x = 66,439,131,753.79
  5. Step 5: Solve for x
    x = 66,439,131,753.79/289,031.04
  6. Step 6: Final answer
    x = 229,868.50

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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.