Home / 316,987.07-475,198.39-114,538.02

Finding the Fourth Proportional to 316,987.07, 475,198.39 and 114,538.02

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Solution

The fourth proportional to 316,987.07, 475,198.39 and 114,538.02 is: 171,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,987.07 : 475,198.39 = 114,538.02 : x
  2. Step 2: Convert to fraction form
    316,987.07/475,198.39 = 114,538.02/x
  3. Step 3: Cross multiply
    316,987.07x = 475,198.39 × 114,538.02
  4. Step 4: Simplify right side
    316,987.07x = 54,428,282,697.79
  5. Step 5: Solve for x
    x = 54,428,282,697.79/316,987.07
  6. Step 6: Final answer
    x = 171,705.06

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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.