Home / 1,112.17-1,667.65-332.07

Finding the Fourth Proportional to 1,112.17, 1,667.65 and 332.07

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Solution

The fourth proportional to 1,112.17, 1,667.65 and 332.07 is: 497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.17 : 1,667.65 = 332.07 : x
  2. Step 2: Convert to fraction form
    1,112.17/1,667.65 = 332.07/x
  3. Step 3: Cross multiply
    1,112.17x = 1,667.65 × 332.07
  4. Step 4: Simplify right side
    1,112.17x = 553,776.54
  5. Step 5: Solve for x
    x = 553,776.54/1,112.17
  6. Step 6: Final answer
    x = 497.92

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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.