Home / 272,679.67-409,040.00-72,995.63

Finding the Fourth Proportional to 272,679.67, 409,040.00 and 72,995.63

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Solution

The fourth proportional to 272,679.67, 409,040.00 and 72,995.63 is: 109,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,679.67 : 409,040.00 = 72,995.63 : x
  2. Step 2: Convert to fraction form
    272,679.67/409,040.00 = 72,995.63/x
  3. Step 3: Cross multiply
    272,679.67x = 409,040.00 × 72,995.63
  4. Step 4: Simplify right side
    272,679.67x = 29,858,132,864.91
  5. Step 5: Solve for x
    x = 29,858,132,864.91/272,679.67
  6. Step 6: Final answer
    x = 109,498.93

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1.5x scale

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.