Home / 386,173.12-532,950.40-214,145.02

Finding the Fourth Proportional to 386,173.12, 532,950.40 and 214,145.02

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Solution

The fourth proportional to 386,173.12, 532,950.40 and 214,145.02 is: 295,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,173.12 : 532,950.40 = 214,145.02 : x
  2. Step 2: Convert to fraction form
    386,173.12/532,950.40 = 214,145.02/x
  3. Step 3: Cross multiply
    386,173.12x = 532,950.40 × 214,145.02
  4. Step 4: Simplify right side
    386,173.12x = 114,128,674,067.01
  5. Step 5: Solve for x
    x = 114,128,674,067.01/386,173.12
  6. Step 6: Final answer
    x = 295,537.59

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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.