Home / 276,910.07-382,147.14-156,056.45

Finding the Fourth Proportional to 276,910.07, 382,147.14 and 156,056.45

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Solution

The fourth proportional to 276,910.07, 382,147.14 and 156,056.45 is: 215,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,910.07 : 382,147.14 = 156,056.45 : x
  2. Step 2: Convert to fraction form
    276,910.07/382,147.14 = 156,056.45/x
  3. Step 3: Cross multiply
    276,910.07x = 382,147.14 × 156,056.45
  4. Step 4: Simplify right side
    276,910.07x = 59,636,524,135.32
  5. Step 5: Solve for x
    x = 59,636,524,135.32/276,910.07
  6. Step 6: Final answer
    x = 215,364.23

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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.