Home / 377,583.18-521,066.07-216,447.90

Finding the Fourth Proportional to 377,583.18, 521,066.07 and 216,447.90

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Solution

The fourth proportional to 377,583.18, 521,066.07 and 216,447.90 is: 298,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,583.18 : 521,066.07 = 216,447.90 : x
  2. Step 2: Convert to fraction form
    377,583.18/521,066.07 = 216,447.90/x
  3. Step 3: Cross multiply
    377,583.18x = 521,066.07 × 216,447.90
  4. Step 4: Simplify right side
    377,583.18x = 112,783,656,612.75
  5. Step 5: Solve for x
    x = 112,783,656,612.75/377,583.18
  6. Step 6: Final answer
    x = 298,698.84

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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.