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Finding the Fourth Proportional to 250,017.94, 345,024.76 and 136,840.69

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Solution

The fourth proportional to 250,017.94, 345,024.76 and 136,840.69 is: 188,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,017.94 : 345,024.76 = 136,840.69 : x
  2. Step 2: Convert to fraction form
    250,017.94/345,024.76 = 136,840.69/x
  3. Step 3: Cross multiply
    250,017.94x = 345,024.76 × 136,840.69
  4. Step 4: Simplify right side
    250,017.94x = 47,213,425,020.82
  5. Step 5: Solve for x
    x = 47,213,425,020.82/250,017.94
  6. Step 6: Final answer
    x = 188,840.15

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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.