Home / 254,886.24-382,314.72-121,858.32

Finding the Fourth Proportional to 254,886.24, 382,314.72 and 121,858.32

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Solution

The fourth proportional to 254,886.24, 382,314.72 and 121,858.32 is: 182,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,886.24 : 382,314.72 = 121,858.32 : x
  2. Step 2: Convert to fraction form
    254,886.24/382,314.72 = 121,858.32/x
  3. Step 3: Cross multiply
    254,886.24x = 382,314.72 × 121,858.32
  4. Step 4: Simplify right side
    254,886.24x = 46,588,229,490.47
  5. Step 5: Solve for x
    x = 46,588,229,490.47/254,886.24
  6. Step 6: Final answer
    x = 182,780.48

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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.