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Finding the Fourth Proportional to 250,457.25, 345,666.44 and 154,994.70

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Solution

The fourth proportional to 250,457.25, 345,666.44 and 154,994.70 is: 213,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,457.25 : 345,666.44 = 154,994.70 : x
  2. Step 2: Convert to fraction form
    250,457.25/345,666.44 = 154,994.70/x
  3. Step 3: Cross multiply
    250,457.25x = 345,666.44 × 154,994.70
  4. Step 4: Simplify right side
    250,457.25x = 53,576,464,827.02
  5. Step 5: Solve for x
    x = 53,576,464,827.02/250,457.25
  6. Step 6: Final answer
    x = 213,914.61

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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.