Home / 240,750.57-360,928.81-90,905.83

Finding the Fourth Proportional to 240,750.57, 360,928.81 and 90,905.83

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Solution

The fourth proportional to 240,750.57, 360,928.81 and 90,905.83 is: 136,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,750.57 : 360,928.81 = 90,905.83 : x
  2. Step 2: Convert to fraction form
    240,750.57/360,928.81 = 90,905.83/x
  3. Step 3: Cross multiply
    240,750.57x = 360,928.81 × 90,905.83
  4. Step 4: Simplify right side
    240,750.57x = 32,810,533,043.96
  5. Step 5: Solve for x
    x = 32,810,533,043.96/240,750.57
  6. Step 6: Final answer
    x = 136,284.34

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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.