Home / 291,494.03-402,252.28-178,316.78

Finding the Fourth Proportional to 291,494.03, 402,252.28 and 178,316.78

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Solution

The fourth proportional to 291,494.03, 402,252.28 and 178,316.78 is: 246,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,494.03 : 402,252.28 = 178,316.78 : x
  2. Step 2: Convert to fraction form
    291,494.03/402,252.28 = 178,316.78/x
  3. Step 3: Cross multiply
    291,494.03x = 402,252.28 × 178,316.78
  4. Step 4: Simplify right side
    291,494.03x = 71,728,328,860.21
  5. Step 5: Solve for x
    x = 71,728,328,860.21/291,494.03
  6. Step 6: Final answer
    x = 246,071.35

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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.