Home / 450,928.12-676,071.76-226,126.36

Finding the Fourth Proportional to 450,928.12, 676,071.76 and 226,126.36

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Solution

The fourth proportional to 450,928.12, 676,071.76 and 226,126.36 is: 339,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,928.12 : 676,071.76 = 226,126.36 : x
  2. Step 2: Convert to fraction form
    450,928.12/676,071.76 = 226,126.36/x
  3. Step 3: Cross multiply
    450,928.12x = 676,071.76 × 226,126.36
  4. Step 4: Simplify right side
    450,928.12x = 152,877,646,187.59
  5. Step 5: Solve for x
    x = 152,877,646,187.59/450,928.12
  6. Step 6: Final answer
    x = 339,028.86

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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.