Home / 276,802.50-415,380.36-99,305.58

Finding the Fourth Proportional to 276,802.50, 415,380.36 and 99,305.58

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Solution

The fourth proportional to 276,802.50, 415,380.36 and 99,305.58 is: 149,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,802.50 : 415,380.36 = 99,305.58 : x
  2. Step 2: Convert to fraction form
    276,802.50/415,380.36 = 99,305.58/x
  3. Step 3: Cross multiply
    276,802.50x = 415,380.36 × 99,305.58
  4. Step 4: Simplify right side
    276,802.50x = 41,249,587,570.41
  5. Step 5: Solve for x
    x = 41,249,587,570.41/276,802.50
  6. Step 6: Final answer
    x = 149,021.73

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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.