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Finding the Fourth Proportional to 306,963.38, 460,510.95 and 173,907.38

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Solution

The fourth proportional to 306,963.38, 460,510.95 and 173,907.38 is: 260,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,963.38 : 460,510.95 = 173,907.38 : x
  2. Step 2: Convert to fraction form
    306,963.38/460,510.95 = 173,907.38/x
  3. Step 3: Cross multiply
    306,963.38x = 460,510.95 × 173,907.38
  4. Step 4: Simplify right side
    306,963.38x = 80,086,252,775.81
  5. Step 5: Solve for x
    x = 80,086,252,775.81/306,963.38
  6. Step 6: Final answer
    x = 260,898.39

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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.