Home / 288,049.10-432,073.65-163,633.10

Finding the Fourth Proportional to 288,049.10, 432,073.65 and 163,633.10

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Solution

The fourth proportional to 288,049.10, 432,073.65 and 163,633.10 is: 245,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,049.10 : 432,073.65 = 163,633.10 : x
  2. Step 2: Convert to fraction form
    288,049.10/432,073.65 = 163,633.10/x
  3. Step 3: Cross multiply
    288,049.10x = 432,073.65 × 163,633.10
  4. Step 4: Simplify right side
    288,049.10x = 70,701,550,777.82
  5. Step 5: Solve for x
    x = 70,701,550,777.82/288,049.10
  6. Step 6: Final answer
    x = 245,449.65

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1.5x scale

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.