Home / 315,209.03-434,970.73-179,276.04

Finding the Fourth Proportional to 315,209.03, 434,970.73 and 179,276.04

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Solution

The fourth proportional to 315,209.03, 434,970.73 and 179,276.04 is: 247,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,209.03 : 434,970.73 = 179,276.04 : x
  2. Step 2: Convert to fraction form
    315,209.03/434,970.73 = 179,276.04/x
  3. Step 3: Cross multiply
    315,209.03x = 434,970.73 × 179,276.04
  4. Step 4: Simplify right side
    315,209.03x = 77,979,829,093.93
  5. Step 5: Solve for x
    x = 77,979,829,093.93/315,209.03
  6. Step 6: Final answer
    x = 247,390.85

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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.