Home / 272,731.08-409,093.38-70,326.12

Finding the Fourth Proportional to 272,731.08, 409,093.38 and 70,326.12

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Solution

The fourth proportional to 272,731.08, 409,093.38 and 70,326.12 is: 105,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,731.08 : 409,093.38 = 70,326.12 : x
  2. Step 2: Convert to fraction form
    272,731.08/409,093.38 = 70,326.12/x
  3. Step 3: Cross multiply
    272,731.08x = 409,093.38 × 70,326.12
  4. Step 4: Simplify right side
    272,731.08x = 28,769,950,133.09
  5. Step 5: Solve for x
    x = 28,769,950,133.09/272,731.08
  6. Step 6: Final answer
    x = 105,488.34

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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.