Home / 315,062.04-434,868.30-179,175.48

Finding the Fourth Proportional to 315,062.04, 434,868.30 and 179,175.48

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Solution

The fourth proportional to 315,062.04, 434,868.30 and 179,175.48 is: 247,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,062.04 : 434,868.30 = 179,175.48 : x
  2. Step 2: Convert to fraction form
    315,062.04/434,868.30 = 179,175.48/x
  3. Step 3: Cross multiply
    315,062.04x = 434,868.30 × 179,175.48
  4. Step 4: Simplify right side
    315,062.04x = 77,917,736,389.28
  5. Step 5: Solve for x
    x = 77,917,736,389.28/315,062.04
  6. Step 6: Final answer
    x = 247,309.19

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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.