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Finding the Fourth Proportional to 218,607.04, 301,676.97 and 123,113.71

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Solution

The fourth proportional to 218,607.04, 301,676.97 and 123,113.71 is: 169,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,607.04 : 301,676.97 = 123,113.71 : x
  2. Step 2: Convert to fraction form
    218,607.04/301,676.97 = 123,113.71/x
  3. Step 3: Cross multiply
    218,607.04x = 301,676.97 × 123,113.71
  4. Step 4: Simplify right side
    218,607.04x = 37,140,570,998.26
  5. Step 5: Solve for x
    x = 37,140,570,998.26/218,607.04
  6. Step 6: Final answer
    x = 169,896.50

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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.