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Finding the Fourth Proportional to 224,921.59, 310,398.39 and 122,952.67

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Solution

The fourth proportional to 224,921.59, 310,398.39 and 122,952.67 is: 169,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,921.59 : 310,398.39 = 122,952.67 : x
  2. Step 2: Convert to fraction form
    224,921.59/310,398.39 = 122,952.67/x
  3. Step 3: Cross multiply
    224,921.59x = 310,398.39 × 122,952.67
  4. Step 4: Simplify right side
    224,921.59x = 38,164,308,647.45
  5. Step 5: Solve for x
    x = 38,164,308,647.45/224,921.59
  6. Step 6: Final answer
    x = 169,678.28

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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.