Home / 339,145.32-507,938.05-189,053.35

Finding the Fourth Proportional to 339,145.32, 507,938.05 and 189,053.35

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Solution

The fourth proportional to 339,145.32, 507,938.05 and 189,053.35 is: 283,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,145.32 : 507,938.05 = 189,053.35 : x
  2. Step 2: Convert to fraction form
    339,145.32/507,938.05 = 189,053.35/x
  3. Step 3: Cross multiply
    339,145.32x = 507,938.05 × 189,053.35
  4. Step 4: Simplify right side
    339,145.32x = 96,027,389,944.97
  5. Step 5: Solve for x
    x = 96,027,389,944.97/339,145.32
  6. Step 6: Final answer
    x = 283,145.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.