Home / 347,315.13-520,956.89-144,827.69

Finding the Fourth Proportional to 347,315.13, 520,956.89 and 144,827.69

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Solution

The fourth proportional to 347,315.13, 520,956.89 and 144,827.69 is: 217,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,315.13 : 520,956.89 = 144,827.69 : x
  2. Step 2: Convert to fraction form
    347,315.13/520,956.89 = 144,827.69/x
  3. Step 3: Cross multiply
    347,315.13x = 520,956.89 × 144,827.69
  4. Step 4: Simplify right side
    347,315.13x = 75,448,979,639.36
  5. Step 5: Solve for x
    x = 75,448,979,639.36/347,315.13
  6. Step 6: Final answer
    x = 217,234.93

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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.