Home / 394,815.21-592,222.82-114,332.46

Finding the Fourth Proportional to 394,815.21, 592,222.82 and 114,332.46

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Solution

The fourth proportional to 394,815.21, 592,222.82 and 114,332.46 is: 171,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,815.21 : 592,222.82 = 114,332.46 : x
  2. Step 2: Convert to fraction form
    394,815.21/592,222.82 = 114,332.46/x
  3. Step 3: Cross multiply
    394,815.21x = 592,222.82 × 114,332.46
  4. Step 4: Simplify right side
    394,815.21x = 67,710,291,307.07
  5. Step 5: Solve for x
    x = 67,710,291,307.07/394,815.21
  6. Step 6: Final answer
    x = 171,498.69

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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.