Home / 231,400.18-319,238.04-150,798.34

Finding the Fourth Proportional to 231,400.18, 319,238.04 and 150,798.34

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Solution

The fourth proportional to 231,400.18, 319,238.04 and 150,798.34 is: 208,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,400.18 : 319,238.04 = 150,798.34 : x
  2. Step 2: Convert to fraction form
    231,400.18/319,238.04 = 150,798.34/x
  3. Step 3: Cross multiply
    231,400.18x = 319,238.04 × 150,798.34
  4. Step 4: Simplify right side
    231,400.18x = 48,140,566,496.85
  5. Step 5: Solve for x
    x = 48,140,566,496.85/231,400.18
  6. Step 6: Final answer
    x = 208,040.32

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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.