Home / 225,975.32-312,258.58-164,614.72

Finding the Fourth Proportional to 225,975.32, 312,258.58 and 164,614.72

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Solution

The fourth proportional to 225,975.32, 312,258.58 and 164,614.72 is: 227,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.32 : 312,258.58 = 164,614.72 : x
  2. Step 2: Convert to fraction form
    225,975.32/312,258.58 = 164,614.72/x
  3. Step 3: Cross multiply
    225,975.32x = 312,258.58 × 164,614.72
  4. Step 4: Simplify right side
    225,975.32x = 51,402,358,714.30
  5. Step 5: Solve for x
    x = 51,402,358,714.30/225,975.32
  6. Step 6: Final answer
    x = 227,468.91

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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.