Home / 251,821.80-377,732.70-140,999.40

Finding the Fourth Proportional to 251,821.80, 377,732.70 and 140,999.40

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Solution

The fourth proportional to 251,821.80, 377,732.70 and 140,999.40 is: 211,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,821.80 : 377,732.70 = 140,999.40 : x
  2. Step 2: Convert to fraction form
    251,821.80/377,732.70 = 140,999.40/x
  3. Step 3: Cross multiply
    251,821.80x = 377,732.70 × 140,999.40
  4. Step 4: Simplify right side
    251,821.80x = 53,260,084,060.38
  5. Step 5: Solve for x
    x = 53,260,084,060.38/251,821.80
  6. Step 6: Final answer
    x = 211,499.10

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1.5x scale

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.