Home / 288,566.30-432,849.45-131,102.30

Finding the Fourth Proportional to 288,566.30, 432,849.45 and 131,102.30

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Solution

The fourth proportional to 288,566.30, 432,849.45 and 131,102.30 is: 196,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,566.30 : 432,849.45 = 131,102.30 : x
  2. Step 2: Convert to fraction form
    288,566.30/432,849.45 = 131,102.30/x
  3. Step 3: Cross multiply
    288,566.30x = 432,849.45 × 131,102.30
  4. Step 4: Simplify right side
    288,566.30x = 56,747,558,448.74
  5. Step 5: Solve for x
    x = 56,747,558,448.74/288,566.30
  6. Step 6: Final answer
    x = 196,653.45

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Similar ratio
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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.