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Finding the Fourth Proportional to 312,261.36, 468,441 and 101,850.72

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Solution

The fourth proportional to 312,261.36, 468,441 and 101,850.72 is: 152,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,261.36 : 468,441 = 101,850.72 : x
  2. Step 2: Convert to fraction form
    312,261.36/468,441 = 101,850.72/x
  3. Step 3: Cross multiply
    312,261.36x = 468,441 × 101,850.72
  4. Step 4: Simplify right side
    312,261.36x = 47,711,053,127.52
  5. Step 5: Solve for x
    x = 47,711,053,127.52/312,261.36
  6. Step 6: Final answer
    x = 152,792.05

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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.