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Finding the Fourth Proportional to 224,852.48, 310,300.91 and 122,884.28

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Solution

The fourth proportional to 224,852.48, 310,300.91 and 122,884.28 is: 169,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,852.48 : 310,300.91 = 122,884.28 : x
  2. Step 2: Convert to fraction form
    224,852.48/310,300.91 = 122,884.28/x
  3. Step 3: Cross multiply
    224,852.48x = 310,300.91 × 122,884.28
  4. Step 4: Simplify right side
    224,852.48x = 38,131,103,908.69
  5. Step 5: Solve for x
    x = 38,131,103,908.69/224,852.48
  6. Step 6: Final answer
    x = 169,582.76

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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.