Home / 285,332.36-393,771.03-158,007.95

Finding the Fourth Proportional to 285,332.36, 393,771.03 and 158,007.95

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Solution

The fourth proportional to 285,332.36, 393,771.03 and 158,007.95 is: 218,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,332.36 : 393,771.03 = 158,007.95 : x
  2. Step 2: Convert to fraction form
    285,332.36/393,771.03 = 158,007.95/x
  3. Step 3: Cross multiply
    285,332.36x = 393,771.03 × 158,007.95
  4. Step 4: Simplify right side
    285,332.36x = 62,218,953,219.69
  5. Step 5: Solve for x
    x = 62,218,953,219.69/285,332.36
  6. Step 6: Final answer
    x = 218,057.82

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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.