Home / 282,883.31-390,283.43-160,362.55

Finding the Fourth Proportional to 282,883.31, 390,283.43 and 160,362.55

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Solution

The fourth proportional to 282,883.31, 390,283.43 and 160,362.55 is: 221,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,883.31 : 390,283.43 = 160,362.55 : x
  2. Step 2: Convert to fraction form
    282,883.31/390,283.43 = 160,362.55/x
  3. Step 3: Cross multiply
    282,883.31x = 390,283.43 × 160,362.55
  4. Step 4: Simplify right side
    282,883.31x = 62,586,848,344.66
  5. Step 5: Solve for x
    x = 62,586,848,344.66/282,883.31
  6. Step 6: Final answer
    x = 221,246.17

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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.