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Finding the Fourth Proportional to 250,004.80, 345,008.64 and 136,828.48

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Solution

The fourth proportional to 250,004.80, 345,008.64 and 136,828.48 is: 188,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,004.80 : 345,008.64 = 136,828.48 : x
  2. Step 2: Convert to fraction form
    250,004.80/345,008.64 = 136,828.48/x
  3. Step 3: Cross multiply
    250,004.80x = 345,008.64 × 136,828.48
  4. Step 4: Simplify right side
    250,004.80x = 47,207,007,798.07
  5. Step 5: Solve for x
    x = 47,207,007,798.07/250,004.80
  6. Step 6: Final answer
    x = 188,824.41

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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.