Home / 386,125.12-532,536.70-271,782.28

Finding the Fourth Proportional to 386,125.12, 532,536.70 and 271,782.28

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Solution

The fourth proportional to 386,125.12, 532,536.70 and 271,782.28 is: 374,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,125.12 : 532,536.70 = 271,782.28 : x
  2. Step 2: Convert to fraction form
    386,125.12/532,536.70 = 271,782.28/x
  3. Step 3: Cross multiply
    386,125.12x = 532,536.70 × 271,782.28
  4. Step 4: Simplify right side
    386,125.12x = 144,734,038,509.68
  5. Step 5: Solve for x
    x = 144,734,038,509.68/386,125.12
  6. Step 6: Final answer
    x = 374,837.15

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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.