Home / 256,080.42-384,074.19-69,048.18

Finding the Fourth Proportional to 256,080.42, 384,074.19 and 69,048.18

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Solution

The fourth proportional to 256,080.42, 384,074.19 and 69,048.18 is: 103,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,080.42 : 384,074.19 = 69,048.18 : x
  2. Step 2: Convert to fraction form
    256,080.42/384,074.19 = 69,048.18/x
  3. Step 3: Cross multiply
    256,080.42x = 384,074.19 × 69,048.18
  4. Step 4: Simplify right side
    256,080.42x = 26,519,623,804.47
  5. Step 5: Solve for x
    x = 26,519,623,804.47/256,080.42
  6. Step 6: Final answer
    x = 103,559.75

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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.