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Finding the Fourth Proportional to 255,578.01, 352,700.10 and 140,860.83

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Solution

The fourth proportional to 255,578.01, 352,700.10 and 140,860.83 is: 194,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,578.01 : 352,700.10 = 140,860.83 : x
  2. Step 2: Convert to fraction form
    255,578.01/352,700.10 = 140,860.83/x
  3. Step 3: Cross multiply
    255,578.01x = 352,700.10 × 140,860.83
  4. Step 4: Simplify right side
    255,578.01x = 49,681,628,827.08
  5. Step 5: Solve for x
    x = 49,681,628,827.08/255,578.01
  6. Step 6: Final answer
    x = 194,389.29

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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.