Home / 250,303.41-345,416.64-135,579.39

Finding the Fourth Proportional to 250,303.41, 345,416.64 and 135,579.39

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Solution

The fourth proportional to 250,303.41, 345,416.64 and 135,579.39 is: 187,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,303.41 : 345,416.64 = 135,579.39 : x
  2. Step 2: Convert to fraction form
    250,303.41/345,416.64 = 135,579.39/x
  3. Step 3: Cross multiply
    250,303.41x = 345,416.64 × 135,579.39
  4. Step 4: Simplify right side
    250,303.41x = 46,831,377,347.05
  5. Step 5: Solve for x
    x = 46,831,377,347.05/250,303.41
  6. Step 6: Final answer
    x = 187,098.44

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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.