Home / 377,361.48-520,768.35-205,289.12

Finding the Fourth Proportional to 377,361.48, 520,768.35 and 205,289.12

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Solution

The fourth proportional to 377,361.48, 520,768.35 and 205,289.12 is: 283,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,361.48 : 520,768.35 = 205,289.12 : x
  2. Step 2: Convert to fraction form
    377,361.48/520,768.35 = 205,289.12/x
  3. Step 3: Cross multiply
    377,361.48x = 520,768.35 × 205,289.12
  4. Step 4: Simplify right side
    377,361.48x = 106,908,076,295.35
  5. Step 5: Solve for x
    x = 106,908,076,295.35/377,361.48
  6. Step 6: Final answer
    x = 283,304.16

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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.