Home / 218,910.24-302,095.68-118,308

Finding the Fourth Proportional to 218,910.24, 302,095.68 and 118,308

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Solution

The fourth proportional to 218,910.24, 302,095.68 and 118,308 is: 163,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,910.24 : 302,095.68 = 118,308 : x
  2. Step 2: Convert to fraction form
    218,910.24/302,095.68 = 118,308/x
  3. Step 3: Cross multiply
    218,910.24x = 302,095.68 × 118,308
  4. Step 4: Simplify right side
    218,910.24x = 35,740,335,709.44
  5. Step 5: Solve for x
    x = 35,740,335,709.44/218,910.24
  6. Step 6: Final answer
    x = 163,264.80

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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.