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Finding the Fourth Proportional to 250,009.49, 345,010.48 and 135,285.64

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Solution

The fourth proportional to 250,009.49, 345,010.48 and 135,285.64 is: 186,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,009.49 : 345,010.48 = 135,285.64 : x
  2. Step 2: Convert to fraction form
    250,009.49/345,010.48 = 135,285.64/x
  3. Step 3: Cross multiply
    250,009.49x = 345,010.48 × 135,285.64
  4. Step 4: Simplify right side
    250,009.49x = 46,674,962,392.77
  5. Step 5: Solve for x
    x = 46,674,962,392.77/250,009.49
  6. Step 6: Final answer
    x = 186,692.76

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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.