Home / 439,281.58-659,004.86-199,412.32

Finding the Fourth Proportional to 439,281.58, 659,004.86 and 199,412.32

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Solution

The fourth proportional to 439,281.58, 659,004.86 and 199,412.32 is: 299,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,281.58 : 659,004.86 = 199,412.32 : x
  2. Step 2: Convert to fraction form
    439,281.58/659,004.86 = 199,412.32/x
  3. Step 3: Cross multiply
    439,281.58x = 659,004.86 × 199,412.32
  4. Step 4: Simplify right side
    439,281.58x = 131,413,688,023.88
  5. Step 5: Solve for x
    x = 131,413,688,023.88/439,281.58
  6. Step 6: Final answer
    x = 299,155.93

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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.