Home / 340,938.25-511,427.88-104,282.98

Finding the Fourth Proportional to 340,938.25, 511,427.88 and 104,282.98

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Solution

The fourth proportional to 340,938.25, 511,427.88 and 104,282.98 is: 156,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,938.25 : 511,427.88 = 104,282.98 : x
  2. Step 2: Convert to fraction form
    340,938.25/511,427.88 = 104,282.98/x
  3. Step 3: Cross multiply
    340,938.25x = 511,427.88 × 104,282.98
  4. Step 4: Simplify right side
    340,938.25x = 53,333,223,120.78
  5. Step 5: Solve for x
    x = 53,333,223,120.78/340,938.25
  6. Step 6: Final answer
    x = 156,430.74

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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.