Home / 340,977.89-511,318.59-97,765.40

Finding the Fourth Proportional to 340,977.89, 511,318.59 and 97,765.40

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Solution

The fourth proportional to 340,977.89, 511,318.59 and 97,765.40 is: 146,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,977.89 : 511,318.59 = 97,765.40 : x
  2. Step 2: Convert to fraction form
    340,977.89/511,318.59 = 97,765.40/x
  3. Step 3: Cross multiply
    340,977.89x = 511,318.59 × 97,765.40
  4. Step 4: Simplify right side
    340,977.89x = 49,989,263,922.19
  5. Step 5: Solve for x
    x = 49,989,263,922.19/340,977.89
  6. Step 6: Final answer
    x = 146,605.59

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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.