Home / 288,673.07-432,894.78-111,081.38

Finding the Fourth Proportional to 288,673.07, 432,894.78 and 111,081.38

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Solution

The fourth proportional to 288,673.07, 432,894.78 and 111,081.38 is: 166,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,673.07 : 432,894.78 = 111,081.38 : x
  2. Step 2: Convert to fraction form
    288,673.07/432,894.78 = 111,081.38/x
  3. Step 3: Cross multiply
    288,673.07x = 432,894.78 × 111,081.38
  4. Step 4: Simplify right side
    288,673.07x = 48,086,547,392.72
  5. Step 5: Solve for x
    x = 48,086,547,392.72/288,673.07
  6. Step 6: Final answer
    x = 166,577.88

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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.