Home / 212,279.22-292,966.04-158,470.79

Finding the Fourth Proportional to 212,279.22, 292,966.04 and 158,470.79

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Solution

The fourth proportional to 212,279.22, 292,966.04 and 158,470.79 is: 218,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,279.22 : 292,966.04 = 158,470.79 : x
  2. Step 2: Convert to fraction form
    212,279.22/292,966.04 = 158,470.79/x
  3. Step 3: Cross multiply
    212,279.22x = 292,966.04 × 158,470.79
  4. Step 4: Simplify right side
    212,279.22x = 46,426,558,733.32
  5. Step 5: Solve for x
    x = 46,426,558,733.32/212,279.22
  6. Step 6: Final answer
    x = 218,705.15

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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.