Home / 382,380.16-527,684.92-210,300.84

Finding the Fourth Proportional to 382,380.16, 527,684.92 and 210,300.84

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Solution

The fourth proportional to 382,380.16, 527,684.92 and 210,300.84 is: 290,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,380.16 : 527,684.92 = 210,300.84 : x
  2. Step 2: Convert to fraction form
    382,380.16/527,684.92 = 210,300.84/x
  3. Step 3: Cross multiply
    382,380.16x = 527,684.92 × 210,300.84
  4. Step 4: Simplify right side
    382,380.16x = 110,972,581,931.33
  5. Step 5: Solve for x
    x = 110,972,581,931.33/382,380.16
  6. Step 6: Final answer
    x = 290,215.32

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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.