Home / 386,811.14-580,085.30-134,032.64

Finding the Fourth Proportional to 386,811.14, 580,085.30 and 134,032.64

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Solution

The fourth proportional to 386,811.14, 580,085.30 and 134,032.64 is: 201,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,811.14 : 580,085.30 = 134,032.64 : x
  2. Step 2: Convert to fraction form
    386,811.14/580,085.30 = 134,032.64/x
  3. Step 3: Cross multiply
    386,811.14x = 580,085.30 × 134,032.64
  4. Step 4: Simplify right side
    386,811.14x = 77,750,364,184.19
  5. Step 5: Solve for x
    x = 77,750,364,184.19/386,811.14
  6. Step 6: Final answer
    x = 201,003.43

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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.