Home / 276,030.12-414,120.60-98,555.16

Finding the Fourth Proportional to 276,030.12, 414,120.60 and 98,555.16

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Solution

The fourth proportional to 276,030.12, 414,120.60 and 98,555.16 is: 147,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,030.12 : 414,120.60 = 98,555.16 : x
  2. Step 2: Convert to fraction form
    276,030.12/414,120.60 = 98,555.16/x
  3. Step 3: Cross multiply
    276,030.12x = 414,120.60 × 98,555.16
  4. Step 4: Simplify right side
    276,030.12x = 40,813,721,992.30
  5. Step 5: Solve for x
    x = 40,813,721,992.30/276,030.12
  6. Step 6: Final answer
    x = 147,859.67

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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.