Home / 409,271.36-613,902.71-159,951.20

Finding the Fourth Proportional to 409,271.36, 613,902.71 and 159,951.20

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Solution

The fourth proportional to 409,271.36, 613,902.71 and 159,951.20 is: 239,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,271.36 : 613,902.71 = 159,951.20 : x
  2. Step 2: Convert to fraction form
    409,271.36/613,902.71 = 159,951.20/x
  3. Step 3: Cross multiply
    409,271.36x = 613,902.71 × 159,951.20
  4. Step 4: Simplify right side
    409,271.36x = 98,194,471,278.48
  5. Step 5: Solve for x
    x = 98,194,471,278.48/409,271.36
  6. Step 6: Final answer
    x = 239,925.10

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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.