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Finding the Fourth Proportional to 250,003.02, 345,001.74 and 135,279.14

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Solution

The fourth proportional to 250,003.02, 345,001.74 and 135,279.14 is: 186,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.02 : 345,001.74 = 135,279.14 : x
  2. Step 2: Convert to fraction form
    250,003.02/345,001.74 = 135,279.14/x
  3. Step 3: Cross multiply
    250,003.02x = 345,001.74 × 135,279.14
  4. Step 4: Simplify right side
    250,003.02x = 46,671,538,685.70
  5. Step 5: Solve for x
    x = 46,671,538,685.70/250,003.02
  6. Step 6: Final answer
    x = 186,683.90

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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.