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Finding the Fourth Proportional to 559,930.60, 840,003.90 and 240,077.80

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Solution

The fourth proportional to 559,930.60, 840,003.90 and 240,077.80 is: 360,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,930.60 : 840,003.90 = 240,077.80 : x
  2. Step 2: Convert to fraction form
    559,930.60/840,003.90 = 240,077.80/x
  3. Step 3: Cross multiply
    559,930.60x = 840,003.90 × 240,077.80
  4. Step 4: Simplify right side
    559,930.60x = 201,666,288,303.42
  5. Step 5: Solve for x
    x = 201,666,288,303.42/559,930.60
  6. Step 6: Final answer
    x = 360,163.01

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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.