Home / 377,289.28-520,693.68-216,196.48

Finding the Fourth Proportional to 377,289.28, 520,693.68 and 216,196.48

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Solution

The fourth proportional to 377,289.28, 520,693.68 and 216,196.48 is: 298,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,289.28 : 520,693.68 = 216,196.48 : x
  2. Step 2: Convert to fraction form
    377,289.28/520,693.68 = 216,196.48/x
  3. Step 3: Cross multiply
    377,289.28x = 520,693.68 × 216,196.48
  4. Step 4: Simplify right side
    377,289.28x = 112,572,140,774.25
  5. Step 5: Solve for x
    x = 112,572,140,774.25/377,289.28
  6. Step 6: Final answer
    x = 298,370.90

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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.