Home / 425,485.42-587,159.77-231,899.26

Finding the Fourth Proportional to 425,485.42, 587,159.77 and 231,899.26

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Solution

The fourth proportional to 425,485.42, 587,159.77 and 231,899.26 is: 320,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,485.42 : 587,159.77 = 231,899.26 : x
  2. Step 2: Convert to fraction form
    425,485.42/587,159.77 = 231,899.26/x
  3. Step 3: Cross multiply
    425,485.42x = 587,159.77 × 231,899.26
  4. Step 4: Simplify right side
    425,485.42x = 136,161,916,164.77
  5. Step 5: Solve for x
    x = 136,161,916,164.77/425,485.42
  6. Step 6: Final answer
    x = 320,015.47

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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.