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Finding the Fourth Proportional to 239,343.82, 359,014.61 and 70,865.17

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Solution

The fourth proportional to 239,343.82, 359,014.61 and 70,865.17 is: 106,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,343.82 : 359,014.61 = 70,865.17 : x
  2. Step 2: Convert to fraction form
    239,343.82/359,014.61 = 70,865.17/x
  3. Step 3: Cross multiply
    239,343.82x = 359,014.61 × 70,865.17
  4. Step 4: Simplify right side
    239,343.82x = 25,441,630,649.76
  5. Step 5: Solve for x
    x = 25,441,630,649.76/239,343.82
  6. Step 6: Final answer
    x = 106,297.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.