Home / 218,981.32-302,365.26-171,370.36

Finding the Fourth Proportional to 218,981.32, 302,365.26 and 171,370.36

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Solution

The fourth proportional to 218,981.32, 302,365.26 and 171,370.36 is: 236,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,981.32 : 302,365.26 = 171,370.36 : x
  2. Step 2: Convert to fraction form
    218,981.32/302,365.26 = 171,370.36/x
  3. Step 3: Cross multiply
    218,981.32x = 302,365.26 × 171,370.36
  4. Step 4: Simplify right side
    218,981.32x = 51,816,443,457.69
  5. Step 5: Solve for x
    x = 51,816,443,457.69/218,981.32
  6. Step 6: Final answer
    x = 236,624.95

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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.