Home / 679,403.02-1,019,251.14-206,126.50

Finding the Fourth Proportional to 679,403.02, 1,019,251.14 and 206,126.50

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Solution

The fourth proportional to 679,403.02, 1,019,251.14 and 206,126.50 is: 309,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,403.02 : 1,019,251.14 = 206,126.50 : x
  2. Step 2: Convert to fraction form
    679,403.02/1,019,251.14 = 206,126.50/x
  3. Step 3: Cross multiply
    679,403.02x = 1,019,251.14 × 206,126.50
  4. Step 4: Simplify right side
    679,403.02x = 210,094,670,109.21
  5. Step 5: Solve for x
    x = 210,094,670,109.21/679,403.02
  6. Step 6: Final answer
    x = 309,234.23

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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.