Home / 315,177.32-434,944.12-171,937.35

Finding the Fourth Proportional to 315,177.32, 434,944.12 and 171,937.35

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Solution

The fourth proportional to 315,177.32, 434,944.12 and 171,937.35 is: 237,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,177.32 : 434,944.12 = 171,937.35 : x
  2. Step 2: Convert to fraction form
    315,177.32/434,944.12 = 171,937.35/x
  3. Step 3: Cross multiply
    315,177.32x = 434,944.12 × 171,937.35
  4. Step 4: Simplify right side
    315,177.32x = 74,783,140,592.08
  5. Step 5: Solve for x
    x = 74,783,140,592.08/315,177.32
  6. Step 6: Final answer
    x = 237,273.23

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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.