Home / 340,937.72-511,427.08-104,282.45

Finding the Fourth Proportional to 340,937.72, 511,427.08 and 104,282.45

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Solution

The fourth proportional to 340,937.72, 511,427.08 and 104,282.45 is: 156,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,937.72 : 511,427.08 = 104,282.45 : x
  2. Step 2: Convert to fraction form
    340,937.72/511,427.08 = 104,282.45/x
  3. Step 3: Cross multiply
    340,937.72x = 511,427.08 × 104,282.45
  4. Step 4: Simplify right side
    340,937.72x = 53,332,868,389.82
  5. Step 5: Solve for x
    x = 53,332,868,389.82/340,937.72
  6. Step 6: Final answer
    x = 156,429.94

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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.