Home / 661,750.52-992,531.97-212,412.24

Finding the Fourth Proportional to 661,750.52, 992,531.97 and 212,412.24

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Solution

The fourth proportional to 661,750.52, 992,531.97 and 212,412.24 is: 318,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,750.52 : 992,531.97 = 212,412.24 : x
  2. Step 2: Convert to fraction form
    661,750.52/992,531.97 = 212,412.24/x
  3. Step 3: Cross multiply
    661,750.52x = 992,531.97 × 212,412.24
  4. Step 4: Simplify right side
    661,750.52x = 210,825,939,019.31
  5. Step 5: Solve for x
    x = 210,825,939,019.31/661,750.52
  6. Step 6: Final answer
    x = 318,588.25

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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.