Home / 254,619.15-382,011.65-121,482.20

Finding the Fourth Proportional to 254,619.15, 382,011.65 and 121,482.20

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Solution

The fourth proportional to 254,619.15, 382,011.65 and 121,482.20 is: 182,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,619.15 : 382,011.65 = 121,482.20 : x
  2. Step 2: Convert to fraction form
    254,619.15/382,011.65 = 121,482.20/x
  3. Step 3: Cross multiply
    254,619.15x = 382,011.65 × 121,482.20
  4. Step 4: Simplify right side
    254,619.15x = 46,407,613,150.16
  5. Step 5: Solve for x
    x = 46,407,613,150.16/254,619.15
  6. Step 6: Final answer
    x = 182,262.85

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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.