Home / 347,335.07-520,986.95-144,847.79

Finding the Fourth Proportional to 347,335.07, 520,986.95 and 144,847.79

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Solution

The fourth proportional to 347,335.07, 520,986.95 and 144,847.79 is: 217,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,335.07 : 520,986.95 = 144,847.79 : x
  2. Step 2: Convert to fraction form
    347,335.07/520,986.95 = 144,847.79/x
  3. Step 3: Cross multiply
    347,335.07x = 520,986.95 × 144,847.79
  4. Step 4: Simplify right side
    347,335.07x = 75,463,807,494.05
  5. Step 5: Solve for x
    x = 75,463,807,494.05/347,335.07
  6. Step 6: Final answer
    x = 217,265.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.