Home / 386,127.69-532,265.55-271,083.60

Finding the Fourth Proportional to 386,127.69, 532,265.55 and 271,083.60

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Solution

The fourth proportional to 386,127.69, 532,265.55 and 271,083.60 is: 373,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,127.69 : 532,265.55 = 271,083.60 : x
  2. Step 2: Convert to fraction form
    386,127.69/532,265.55 = 271,083.60/x
  3. Step 3: Cross multiply
    386,127.69x = 532,265.55 × 271,083.60
  4. Step 4: Simplify right side
    386,127.69x = 144,288,461,449.98
  5. Step 5: Solve for x
    x = 144,288,461,449.98/386,127.69
  6. Step 6: Final answer
    x = 373,680.69

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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.