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Finding the Fourth Proportional to 224,975.62, 310,544.54 and 129,520.36

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Solution

The fourth proportional to 224,975.62, 310,544.54 and 129,520.36 is: 178,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,975.62 : 310,544.54 = 129,520.36 : x
  2. Step 2: Convert to fraction form
    224,975.62/310,544.54 = 129,520.36/x
  3. Step 3: Cross multiply
    224,975.62x = 310,544.54 × 129,520.36
  4. Step 4: Simplify right side
    224,975.62x = 40,221,838,416.51
  5. Step 5: Solve for x
    x = 40,221,838,416.51/224,975.62
  6. Step 6: Final answer
    x = 178,783.10

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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.