Home / 270,515.81-405,510.02-112,789.37

Finding the Fourth Proportional to 270,515.81, 405,510.02 and 112,789.37

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Solution

The fourth proportional to 270,515.81, 405,510.02 and 112,789.37 is: 169,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,515.81 : 405,510.02 = 112,789.37 : x
  2. Step 2: Convert to fraction form
    270,515.81/405,510.02 = 112,789.37/x
  3. Step 3: Cross multiply
    270,515.81x = 405,510.02 × 112,789.37
  4. Step 4: Simplify right side
    270,515.81x = 45,737,220,557.28
  5. Step 5: Solve for x
    x = 45,737,220,557.28/270,515.81
  6. Step 6: Final answer
    x = 169,074.11

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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.