Home / 288,956.20-432,851.10-164,151.40

Finding the Fourth Proportional to 288,956.20, 432,851.10 and 164,151.40

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Solution

The fourth proportional to 288,956.20, 432,851.10 and 164,151.40 is: 245,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,956.20 : 432,851.10 = 164,151.40 : x
  2. Step 2: Convert to fraction form
    288,956.20/432,851.10 = 164,151.40/x
  3. Step 3: Cross multiply
    288,956.20x = 432,851.10 × 164,151.40
  4. Step 4: Simplify right side
    288,956.20x = 71,053,114,056.54
  5. Step 5: Solve for x
    x = 71,053,114,056.54/288,956.20
  6. Step 6: Final answer
    x = 245,895.79

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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.