Home / 315,204.28-434,979.80-179,238.24

Finding the Fourth Proportional to 315,204.28, 434,979.80 and 179,238.24

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Solution

The fourth proportional to 315,204.28, 434,979.80 and 179,238.24 is: 247,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,204.28 : 434,979.80 = 179,238.24 : x
  2. Step 2: Convert to fraction form
    315,204.28/434,979.80 = 179,238.24/x
  3. Step 3: Cross multiply
    315,204.28x = 434,979.80 × 179,238.24
  4. Step 4: Simplify right side
    315,204.28x = 77,965,013,563.50
  5. Step 5: Solve for x
    x = 77,965,013,563.50/315,204.28
  6. Step 6: Final answer
    x = 247,347.57

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1.5x scale

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.