Home / 377,303.80-565,789.60-199,769.28

Finding the Fourth Proportional to 377,303.80, 565,789.60 and 199,769.28

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Solution

The fourth proportional to 377,303.80, 565,789.60 and 199,769.28 is: 299,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,303.80 : 565,789.60 = 199,769.28 : x
  2. Step 2: Convert to fraction form
    377,303.80/565,789.60 = 199,769.28/x
  3. Step 3: Cross multiply
    377,303.80x = 565,789.60 × 199,769.28
  4. Step 4: Simplify right side
    377,303.80x = 113,027,380,024.64
  5. Step 5: Solve for x
    x = 113,027,380,024.64/377,303.80
  6. Step 6: Final answer
    x = 299,565.98

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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.