Home / 405,341.42-608,099.08-121,054.38

Finding the Fourth Proportional to 405,341.42, 608,099.08 and 121,054.38

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Solution

The fourth proportional to 405,341.42, 608,099.08 and 121,054.38 is: 181,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,341.42 : 608,099.08 = 121,054.38 : x
  2. Step 2: Convert to fraction form
    405,341.42/608,099.08 = 121,054.38/x
  3. Step 3: Cross multiply
    405,341.42x = 608,099.08 × 121,054.38
  4. Step 4: Simplify right side
    405,341.42x = 73,613,057,107.97
  5. Step 5: Solve for x
    x = 73,613,057,107.97/405,341.42
  6. Step 6: Final answer
    x = 181,607.54

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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.