Home / 425,461.64-587,137.14-231,869.36

Finding the Fourth Proportional to 425,461.64, 587,137.14 and 231,869.36

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Solution

The fourth proportional to 425,461.64, 587,137.14 and 231,869.36 is: 319,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,461.64 : 587,137.14 = 231,869.36 : x
  2. Step 2: Convert to fraction form
    425,461.64/587,137.14 = 231,869.36/x
  3. Step 3: Cross multiply
    425,461.64x = 587,137.14 × 231,869.36
  4. Step 4: Simplify right side
    425,461.64x = 136,139,112,884.03
  5. Step 5: Solve for x
    x = 136,139,112,884.03/425,461.64
  6. Step 6: Final answer
    x = 319,979.76

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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.