Home / 490,926-736,305.47-135,856.83

Finding the Fourth Proportional to 490,926, 736,305.47 and 135,856.83

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Solution

The fourth proportional to 490,926, 736,305.47 and 135,856.83 is: 203,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,926 : 736,305.47 = 135,856.83 : x
  2. Step 2: Convert to fraction form
    490,926/736,305.47 = 135,856.83/x
  3. Step 3: Cross multiply
    490,926x = 736,305.47 × 135,856.83
  4. Step 4: Simplify right side
    490,926x = 100,032,127,065.86
  5. Step 5: Solve for x
    x = 100,032,127,065.86/490,926
  6. Step 6: Final answer
    x = 203,762.13

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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.