Home / 425,443.47-587,112.09-231,851.23

Finding the Fourth Proportional to 425,443.47, 587,112.09 and 231,851.23

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Solution

The fourth proportional to 425,443.47, 587,112.09 and 231,851.23 is: 319,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,443.47 : 587,112.09 = 231,851.23 : x
  2. Step 2: Convert to fraction form
    425,443.47/587,112.09 = 231,851.23/x
  3. Step 3: Cross multiply
    425,443.47x = 587,112.09 × 231,851.23
  4. Step 4: Simplify right side
    425,443.47x = 136,122,657,877.15
  5. Step 5: Solve for x
    x = 136,122,657,877.15/425,443.47
  6. Step 6: Final answer
    x = 319,954.75

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1.5x scale

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.