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Finding the Fourth Proportional to 219,262.49, 302,582.24 and 118,660.49

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Solution

The fourth proportional to 219,262.49, 302,582.24 and 118,660.49 is: 163,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,262.49 : 302,582.24 = 118,660.49 : x
  2. Step 2: Convert to fraction form
    219,262.49/302,582.24 = 118,660.49/x
  3. Step 3: Cross multiply
    219,262.49x = 302,582.24 × 118,660.49
  4. Step 4: Simplify right side
    219,262.49x = 35,904,554,757.48
  5. Step 5: Solve for x
    x = 35,904,554,757.48/219,262.49
  6. Step 6: Final answer
    x = 163,751.47

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1.5x scale

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.