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Finding the Fourth Proportional to 100,277.69, 150,383.72 and 46,953.15

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Solution

The fourth proportional to 100,277.69, 150,383.72 and 46,953.15 is: 70,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.69 : 150,383.72 = 46,953.15 : x
  2. Step 2: Convert to fraction form
    100,277.69/150,383.72 = 46,953.15/x
  3. Step 3: Cross multiply
    100,277.69x = 150,383.72 × 46,953.15
  4. Step 4: Simplify right side
    100,277.69x = 7,060,989,127.95
  5. Step 5: Solve for x
    x = 7,060,989,127.95/100,277.69
  6. Step 6: Final answer
    x = 70,414.36

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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.