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Finding the Fourth Proportional to 450,702.50, 621,787.29 and 259,613.54

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Solution

The fourth proportional to 450,702.50, 621,787.29 and 259,613.54 is: 358,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,702.50 : 621,787.29 = 259,613.54 : x
  2. Step 2: Convert to fraction form
    450,702.50/621,787.29 = 259,613.54/x
  3. Step 3: Cross multiply
    450,702.50x = 621,787.29 × 259,613.54
  4. Step 4: Simplify right side
    450,702.50x = 161,424,399,483.91
  5. Step 5: Solve for x
    x = 161,424,399,483.91/450,702.50
  6. Step 6: Final answer
    x = 358,161.76

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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.