Home / 226,445.37-312,564.24-145,872.65

Finding the Fourth Proportional to 226,445.37, 312,564.24 and 145,872.65

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Solution

The fourth proportional to 226,445.37, 312,564.24 and 145,872.65 is: 201,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,445.37 : 312,564.24 = 145,872.65 : x
  2. Step 2: Convert to fraction form
    226,445.37/312,564.24 = 145,872.65/x
  3. Step 3: Cross multiply
    226,445.37x = 312,564.24 × 145,872.65
  4. Step 4: Simplify right side
    226,445.37x = 45,594,573,984.04
  5. Step 5: Solve for x
    x = 45,594,573,984.04/226,445.37
  6. Step 6: Final answer
    x = 201,349.11

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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.