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Finding the Fourth Proportional to 292,758.76, 403,996.26 and 158,619.88

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Solution

The fourth proportional to 292,758.76, 403,996.26 and 158,619.88 is: 218,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,758.76 : 403,996.26 = 158,619.88 : x
  2. Step 2: Convert to fraction form
    292,758.76/403,996.26 = 158,619.88/x
  3. Step 3: Cross multiply
    292,758.76x = 403,996.26 × 158,619.88
  4. Step 4: Simplify right side
    292,758.76x = 64,081,838,281.65
  5. Step 5: Solve for x
    x = 64,081,838,281.65/292,758.76
  6. Step 6: Final answer
    x = 218,889.57

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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.