Home / 251,830.80-377,746.20-141,008.40

Finding the Fourth Proportional to 251,830.80, 377,746.20 and 141,008.40

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Solution

The fourth proportional to 251,830.80, 377,746.20 and 141,008.40 is: 211,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,830.80 : 377,746.20 = 141,008.40 : x
  2. Step 2: Convert to fraction form
    251,830.80/377,746.20 = 141,008.40/x
  3. Step 3: Cross multiply
    251,830.80x = 377,746.20 × 141,008.40
  4. Step 4: Simplify right side
    251,830.80x = 53,265,387,268.08
  5. Step 5: Solve for x
    x = 53,265,387,268.08/251,830.80
  6. Step 6: Final answer
    x = 211,512.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.