Home / 382,208.90-527,454.18-210,134.32

Finding the Fourth Proportional to 382,208.90, 527,454.18 and 210,134.32

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Solution

The fourth proportional to 382,208.90, 527,454.18 and 210,134.32 is: 289,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,208.90 : 527,454.18 = 210,134.32 : x
  2. Step 2: Convert to fraction form
    382,208.90/527,454.18 = 210,134.32/x
  3. Step 3: Cross multiply
    382,208.90x = 527,454.18 × 210,134.32
  4. Step 4: Simplify right side
    382,208.90x = 110,836,225,445.46
  5. Step 5: Solve for x
    x = 110,836,225,445.46/382,208.90
  6. Step 6: Final answer
    x = 289,988.60

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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.