Home / 276,531.98-414,798.23-76,852.40

Finding the Fourth Proportional to 276,531.98, 414,798.23 and 76,852.40

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Solution

The fourth proportional to 276,531.98, 414,798.23 and 76,852.40 is: 115,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,531.98 : 414,798.23 = 76,852.40 : x
  2. Step 2: Convert to fraction form
    276,531.98/414,798.23 = 76,852.40/x
  3. Step 3: Cross multiply
    276,531.98x = 414,798.23 × 76,852.40
  4. Step 4: Simplify right side
    276,531.98x = 31,878,237,609.39
  5. Step 5: Solve for x
    x = 31,878,237,609.39/276,531.98
  6. Step 6: Final answer
    x = 115,278.67

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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.