Home / 315,204.07-434,979.55-179,238.03

Finding the Fourth Proportional to 315,204.07, 434,979.55 and 179,238.03

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Solution

The fourth proportional to 315,204.07, 434,979.55 and 179,238.03 is: 247,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,204.07 : 434,979.55 = 179,238.03 : x
  2. Step 2: Convert to fraction form
    315,204.07/434,979.55 = 179,238.03/x
  3. Step 3: Cross multiply
    315,204.07x = 434,979.55 × 179,238.03
  4. Step 4: Simplify right side
    315,204.07x = 77,964,875,009.29
  5. Step 5: Solve for x
    x = 77,964,875,009.29/315,204.07
  6. Step 6: Final answer
    x = 247,347.30

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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.