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Finding the Fourth Proportional to 560,135.09, 840,201.37 and 240,079.43

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Solution

The fourth proportional to 560,135.09, 840,201.37 and 240,079.43 is: 360,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,135.09 : 840,201.37 = 240,079.43 : x
  2. Step 2: Convert to fraction form
    560,135.09/840,201.37 = 240,079.43/x
  3. Step 3: Cross multiply
    560,135.09x = 840,201.37 × 240,079.43
  4. Step 4: Simplify right side
    560,135.09x = 201,715,067,495.12
  5. Step 5: Solve for x
    x = 201,715,067,495.12/560,135.09
  6. Step 6: Final answer
    x = 360,118.60

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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.