Home / 319,052.24-439,686.44-228,250.55

Finding the Fourth Proportional to 319,052.24, 439,686.44 and 228,250.55

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Solution

The fourth proportional to 319,052.24, 439,686.44 and 228,250.55 is: 314,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,052.24 : 439,686.44 = 228,250.55 : x
  2. Step 2: Convert to fraction form
    319,052.24/439,686.44 = 228,250.55/x
  3. Step 3: Cross multiply
    319,052.24x = 439,686.44 × 228,250.55
  4. Step 4: Simplify right side
    319,052.24x = 100,358,669,800.88
  5. Step 5: Solve for x
    x = 100,358,669,800.88/319,052.24
  6. Step 6: Final answer
    x = 314,552.47

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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.