Home / 339,035.08-510,582.88-308,767.92

Finding the Fourth Proportional to 339,035.08, 510,582.88 and 308,767.92

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Solution

The fourth proportional to 339,035.08, 510,582.88 and 308,767.92 is: 465,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,035.08 : 510,582.88 = 308,767.92 : x
  2. Step 2: Convert to fraction form
    339,035.08/510,582.88 = 308,767.92/x
  3. Step 3: Cross multiply
    339,035.08x = 510,582.88 × 308,767.92
  4. Step 4: Simplify right side
    339,035.08x = 157,651,613,845.21
  5. Step 5: Solve for x
    x = 157,651,613,845.21/339,035.08
  6. Step 6: Final answer
    x = 465,000.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.