Home / 309,330.34-464,034.75-109,611.70

Finding the Fourth Proportional to 309,330.34, 464,034.75 and 109,611.70

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Solution

The fourth proportional to 309,330.34, 464,034.75 and 109,611.70 is: 164,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,330.34 : 464,034.75 = 109,611.70 : x
  2. Step 2: Convert to fraction form
    309,330.34/464,034.75 = 109,611.70/x
  3. Step 3: Cross multiply
    309,330.34x = 464,034.75 × 109,611.70
  4. Step 4: Simplify right side
    309,330.34x = 50,863,637,806.58
  5. Step 5: Solve for x
    x = 50,863,637,806.58/309,330.34
  6. Step 6: Final answer
    x = 164,431.45

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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.