Home / 422,977.74-583,718.36-231,990.67

Finding the Fourth Proportional to 422,977.74, 583,718.36 and 231,990.67

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Solution

The fourth proportional to 422,977.74, 583,718.36 and 231,990.67 is: 320,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,977.74 : 583,718.36 = 231,990.67 : x
  2. Step 2: Convert to fraction form
    422,977.74/583,718.36 = 231,990.67/x
  3. Step 3: Cross multiply
    422,977.74x = 583,718.36 × 231,990.67
  4. Step 4: Simplify right side
    422,977.74x = 135,417,213,427.70
  5. Step 5: Solve for x
    x = 135,417,213,427.70/422,977.74
  6. Step 6: Final answer
    x = 320,152.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.