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Finding the Fourth Proportional to 377,473.25, 520,916.73 and 207,711.02

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Solution

The fourth proportional to 377,473.25, 520,916.73 and 207,711.02 is: 286,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,473.25 : 520,916.73 = 207,711.02 : x
  2. Step 2: Convert to fraction form
    377,473.25/520,916.73 = 207,711.02/x
  3. Step 3: Cross multiply
    377,473.25x = 520,916.73 × 207,711.02
  4. Step 4: Simplify right side
    377,473.25x = 108,200,145,323.37
  5. Step 5: Solve for x
    x = 108,200,145,323.37/377,473.25
  6. Step 6: Final answer
    x = 286,643.21

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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.