Home / 657,321.19-986,090.79-230,746.39

Finding the Fourth Proportional to 657,321.19, 986,090.79 and 230,746.39

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Solution

The fourth proportional to 657,321.19, 986,090.79 and 230,746.39 is: 346,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,321.19 : 986,090.79 = 230,746.39 : x
  2. Step 2: Convert to fraction form
    657,321.19/986,090.79 = 230,746.39/x
  3. Step 3: Cross multiply
    657,321.19x = 986,090.79 × 230,746.39
  4. Step 4: Simplify right side
    657,321.19x = 227,536,888,404.82
  5. Step 5: Solve for x
    x = 227,536,888,404.82/657,321.19
  6. Step 6: Final answer
    x = 346,157.85

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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.