Home / 288,110.01-432,165.03-77,747.61

Finding the Fourth Proportional to 288,110.01, 432,165.03 and 77,747.61

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Solution

The fourth proportional to 288,110.01, 432,165.03 and 77,747.61 is: 116,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,110.01 : 432,165.03 = 77,747.61 : x
  2. Step 2: Convert to fraction form
    288,110.01/432,165.03 = 77,747.61/x
  3. Step 3: Cross multiply
    288,110.01x = 432,165.03 × 77,747.61
  4. Step 4: Simplify right side
    288,110.01x = 33,599,798,208.08
  5. Step 5: Solve for x
    x = 33,599,798,208.08/288,110.01
  6. Step 6: Final answer
    x = 116,621.42

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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.