Home / 251,464.41-347,013.93-138,287.16

Finding the Fourth Proportional to 251,464.41, 347,013.93 and 138,287.16

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Solution

The fourth proportional to 251,464.41, 347,013.93 and 138,287.16 is: 190,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,464.41 : 347,013.93 = 138,287.16 : x
  2. Step 2: Convert to fraction form
    251,464.41/347,013.93 = 138,287.16/x
  3. Step 3: Cross multiply
    251,464.41x = 347,013.93 × 138,287.16
  4. Step 4: Simplify right side
    251,464.41x = 47,987,570,860.14
  5. Step 5: Solve for x
    x = 47,987,570,860.14/251,464.41
  6. Step 6: Final answer
    x = 190,832.46

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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.