Home / 221,081.17-304,875.26-140,368.57

Finding the Fourth Proportional to 221,081.17, 304,875.26 and 140,368.57

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Solution

The fourth proportional to 221,081.17, 304,875.26 and 140,368.57 is: 193,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,081.17 : 304,875.26 = 140,368.57 : x
  2. Step 2: Convert to fraction form
    221,081.17/304,875.26 = 140,368.57/x
  3. Step 3: Cross multiply
    221,081.17x = 304,875.26 × 140,368.57
  4. Step 4: Simplify right side
    221,081.17x = 42,794,904,274.58
  5. Step 5: Solve for x
    x = 42,794,904,274.58/221,081.17
  6. Step 6: Final answer
    x = 193,571.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.