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Finding the Fourth Proportional to 282,935.79, 424,402.29 and 69,703.29

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Solution

The fourth proportional to 282,935.79, 424,402.29 and 69,703.29 is: 104,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,935.79 : 424,402.29 = 69,703.29 : x
  2. Step 2: Convert to fraction form
    282,935.79/424,402.29 = 69,703.29/x
  3. Step 3: Cross multiply
    282,935.79x = 424,402.29 × 69,703.29
  4. Step 4: Simplify right side
    282,935.79x = 29,582,235,896.53
  5. Step 5: Solve for x
    x = 29,582,235,896.53/282,935.79
  6. Step 6: Final answer
    x = 104,554.59

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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.