Home / 315,066.29-434,774.21-179,081.37

Finding the Fourth Proportional to 315,066.29, 434,774.21 and 179,081.37

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Solution

The fourth proportional to 315,066.29, 434,774.21 and 179,081.37 is: 247,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,066.29 : 434,774.21 = 179,081.37 : x
  2. Step 2: Convert to fraction form
    315,066.29/434,774.21 = 179,081.37/x
  3. Step 3: Cross multiply
    315,066.29x = 434,774.21 × 179,081.37
  4. Step 4: Simplify right side
    315,066.29x = 77,859,960,272.06
  5. Step 5: Solve for x
    x = 77,859,960,272.06/315,066.29
  6. Step 6: Final answer
    x = 247,122.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.