Home / 370,727.61-556,134.66-134,181.69

Finding the Fourth Proportional to 370,727.61, 556,134.66 and 134,181.69

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Solution

The fourth proportional to 370,727.61, 556,134.66 and 134,181.69 is: 201,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,727.61 : 556,134.66 = 134,181.69 : x
  2. Step 2: Convert to fraction form
    370,727.61/556,134.66 = 134,181.69/x
  3. Step 3: Cross multiply
    370,727.61x = 556,134.66 × 134,181.69
  4. Step 4: Simplify right side
    370,727.61x = 74,623,088,546.38
  5. Step 5: Solve for x
    x = 74,623,088,546.38/370,727.61
  6. Step 6: Final answer
    x = 201,288.19

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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.