Home / 309,334.34-464,040.75-109,615.70

Finding the Fourth Proportional to 309,334.34, 464,040.75 and 109,615.70

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Solution

The fourth proportional to 309,334.34, 464,040.75 and 109,615.70 is: 164,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,334.34 : 464,040.75 = 109,615.70 : x
  2. Step 2: Convert to fraction form
    309,334.34/464,040.75 = 109,615.70/x
  3. Step 3: Cross multiply
    309,334.34x = 464,040.75 × 109,615.70
  4. Step 4: Simplify right side
    309,334.34x = 50,866,151,639.78
  5. Step 5: Solve for x
    x = 50,866,151,639.78/309,334.34
  6. Step 6: Final answer
    x = 164,437.46

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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.