Home / 382,572.28-527,953.79-210,492.50

Finding the Fourth Proportional to 382,572.28, 527,953.79 and 210,492.50

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Solution

The fourth proportional to 382,572.28, 527,953.79 and 210,492.50 is: 290,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,572.28 : 527,953.79 = 210,492.50 : x
  2. Step 2: Convert to fraction form
    382,572.28/527,953.79 = 210,492.50/x
  3. Step 3: Cross multiply
    382,572.28x = 527,953.79 × 210,492.50
  4. Step 4: Simplify right side
    382,572.28x = 111,130,314,987.69
  5. Step 5: Solve for x
    x = 111,130,314,987.69/382,572.28
  6. Step 6: Final answer
    x = 290,481.88

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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.