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Finding the Fourth Proportional to 377,550.94, 521,030.76 and 205,470.49

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Solution

The fourth proportional to 377,550.94, 521,030.76 and 205,470.49 is: 283,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,550.94 : 521,030.76 = 205,470.49 : x
  2. Step 2: Convert to fraction form
    377,550.94/521,030.76 = 205,470.49/x
  3. Step 3: Cross multiply
    377,550.94x = 521,030.76 × 205,470.49
  4. Step 4: Simplify right side
    377,550.94x = 107,056,442,957.12
  5. Step 5: Solve for x
    x = 107,056,442,957.12/377,550.94
  6. Step 6: Final answer
    x = 283,554.97

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1.5x scale

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.