Home / 345,422.14-476,663.54-190,342.89

Finding the Fourth Proportional to 345,422.14, 476,663.54 and 190,342.89

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Solution

The fourth proportional to 345,422.14, 476,663.54 and 190,342.89 is: 262,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,422.14 : 476,663.54 = 190,342.89 : x
  2. Step 2: Convert to fraction form
    345,422.14/476,663.54 = 190,342.89/x
  3. Step 3: Cross multiply
    345,422.14x = 476,663.54 × 190,342.89
  4. Step 4: Simplify right side
    345,422.14x = 90,729,514,809.52
  5. Step 5: Solve for x
    x = 90,729,514,809.52/345,422.14
  6. Step 6: Final answer
    x = 262,662.71

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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.