Home / 370,112.94-510,727.35-208,983.89

Finding the Fourth Proportional to 370,112.94, 510,727.35 and 208,983.89

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Solution

The fourth proportional to 370,112.94, 510,727.35 and 208,983.89 is: 288,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,112.94 : 510,727.35 = 208,983.89 : x
  2. Step 2: Convert to fraction form
    370,112.94/510,727.35 = 208,983.89/x
  3. Step 3: Cross multiply
    370,112.94x = 510,727.35 × 208,983.89
  4. Step 4: Simplify right side
    370,112.94x = 106,733,789,609.21
  5. Step 5: Solve for x
    x = 106,733,789,609.21/370,112.94
  6. Step 6: Final answer
    x = 288,381.68

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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.