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Finding the Fourth Proportional to 303,035.63, 418,165.79 and 167,069.16

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Solution

The fourth proportional to 303,035.63, 418,165.79 and 167,069.16 is: 230,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,035.63 : 418,165.79 = 167,069.16 : x
  2. Step 2: Convert to fraction form
    303,035.63/418,165.79 = 167,069.16/x
  3. Step 3: Cross multiply
    303,035.63x = 418,165.79 × 167,069.16
  4. Step 4: Simplify right side
    303,035.63x = 69,862,606,440.69
  5. Step 5: Solve for x
    x = 69,862,606,440.69/303,035.63
  6. Step 6: Final answer
    x = 230,542.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.