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Finding the Fourth Proportional to 218,509.04, 301,548.12 and 123,019.16

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Solution

The fourth proportional to 218,509.04, 301,548.12 and 123,019.16 is: 169,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,509.04 : 301,548.12 = 123,019.16 : x
  2. Step 2: Convert to fraction form
    218,509.04/301,548.12 = 123,019.16/x
  3. Step 3: Cross multiply
    218,509.04x = 301,548.12 × 123,019.16
  4. Step 4: Simplify right side
    218,509.04x = 37,096,194,452.92
  5. Step 5: Solve for x
    x = 37,096,194,452.92/218,509.04
  6. Step 6: Final answer
    x = 169,769.61

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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.