Home / 251,839.83-347,482.71-211,168.47

Finding the Fourth Proportional to 251,839.83, 347,482.71 and 211,168.47

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Solution

The fourth proportional to 251,839.83, 347,482.71 and 211,168.47 is: 291,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,839.83 : 347,482.71 = 211,168.47 : x
  2. Step 2: Convert to fraction form
    251,839.83/347,482.71 = 211,168.47/x
  3. Step 3: Cross multiply
    251,839.83x = 347,482.71 × 211,168.47
  4. Step 4: Simplify right side
    251,839.83x = 73,377,391,570.62
  5. Step 5: Solve for x
    x = 73,377,391,570.62/251,839.83
  6. Step 6: Final answer
    x = 291,365.31

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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.