Home / 293,613.58-440,429.54-139,705.86

Finding the Fourth Proportional to 293,613.58, 440,429.54 and 139,705.86

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Solution

The fourth proportional to 293,613.58, 440,429.54 and 139,705.86 is: 209,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,613.58 : 440,429.54 = 139,705.86 : x
  2. Step 2: Convert to fraction form
    293,613.58/440,429.54 = 139,705.86/x
  3. Step 3: Cross multiply
    293,613.58x = 440,429.54 × 139,705.86
  4. Step 4: Simplify right side
    293,613.58x = 61,530,588,608.19
  5. Step 5: Solve for x
    x = 61,530,588,608.19/293,613.58
  6. Step 6: Final answer
    x = 209,563.16

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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.