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Finding the Fourth Proportional to 239,292.62, 330,222.40 and 130,396.76

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Solution

The fourth proportional to 239,292.62, 330,222.40 and 130,396.76 is: 179,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,292.62 : 330,222.40 = 130,396.76 : x
  2. Step 2: Convert to fraction form
    239,292.62/330,222.40 = 130,396.76/x
  3. Step 3: Cross multiply
    239,292.62x = 330,222.40 × 130,396.76
  4. Step 4: Simplify right side
    239,292.62x = 43,059,931,039.42
  5. Step 5: Solve for x
    x = 43,059,931,039.42/239,292.62
  6. Step 6: Final answer
    x = 179,946.76

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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.