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Finding the Fourth Proportional to 377,302.59, 520,662.51 and 205,220.70

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Solution

The fourth proportional to 377,302.59, 520,662.51 and 205,220.70 is: 283,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,302.59 : 520,662.51 = 205,220.70 : x
  2. Step 2: Convert to fraction form
    377,302.59/520,662.51 = 205,220.70/x
  3. Step 3: Cross multiply
    377,302.59x = 520,662.51 × 205,220.70
  4. Step 4: Simplify right side
    377,302.59x = 106,850,724,765.96
  5. Step 5: Solve for x
    x = 106,850,724,765.96/377,302.59
  6. Step 6: Final answer
    x = 283,196.37

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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.