Home / 250,458.12-345,667.64-154,995.57

Finding the Fourth Proportional to 250,458.12, 345,667.64 and 154,995.57

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Solution

The fourth proportional to 250,458.12, 345,667.64 and 154,995.57 is: 213,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,458.12 : 345,667.64 = 154,995.57 : x
  2. Step 2: Convert to fraction form
    250,458.12/345,667.64 = 154,995.57/x
  3. Step 3: Cross multiply
    250,458.12x = 345,667.64 × 154,995.57
  4. Step 4: Simplify right side
    250,458.12x = 53,576,952,117.38
  5. Step 5: Solve for x
    x = 53,576,952,117.38/250,458.12
  6. Step 6: Final answer
    x = 213,915.81

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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.