Home / 299,663.07-413,886.09-238,613.64

Finding the Fourth Proportional to 299,663.07, 413,886.09 and 238,613.64

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Solution

The fourth proportional to 299,663.07, 413,886.09 and 238,613.64 is: 329,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,663.07 : 413,886.09 = 238,613.64 : x
  2. Step 2: Convert to fraction form
    299,663.07/413,886.09 = 238,613.64/x
  3. Step 3: Cross multiply
    299,663.07x = 413,886.09 × 238,613.64
  4. Step 4: Simplify right side
    299,663.07x = 98,758,866,480.27
  5. Step 5: Solve for x
    x = 98,758,866,480.27/299,663.07
  6. Step 6: Final answer
    x = 329,566.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.