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Finding the Fourth Proportional to 377,665.62, 520,054.47 and 369,283.74

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Solution

The fourth proportional to 377,665.62, 520,054.47 and 369,283.74 is: 508,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,665.62 : 520,054.47 = 369,283.74 : x
  2. Step 2: Convert to fraction form
    377,665.62/520,054.47 = 369,283.74/x
  3. Step 3: Cross multiply
    377,665.62x = 520,054.47 × 369,283.74
  4. Step 4: Simplify right side
    377,665.62x = 192,047,659,685.32
  5. Step 5: Solve for x
    x = 192,047,659,685.32/377,665.62
  6. Step 6: Final answer
    x = 508,512.42

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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.