Home / 315,204.04-434,979.51-179,238.01

Finding the Fourth Proportional to 315,204.04, 434,979.51 and 179,238.01

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Solution

The fourth proportional to 315,204.04, 434,979.51 and 179,238.01 is: 247,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,204.04 : 434,979.51 = 179,238.01 : x
  2. Step 2: Convert to fraction form
    315,204.04/434,979.51 = 179,238.01/x
  3. Step 3: Cross multiply
    315,204.04x = 434,979.51 × 179,238.01
  4. Step 4: Simplify right side
    315,204.04x = 77,964,861,763.18
  5. Step 5: Solve for x
    x = 77,964,861,763.18/315,204.04
  6. Step 6: Final answer
    x = 247,347.28

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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.