Home / 285,592.23-428,400.17-235,579.19

Finding the Fourth Proportional to 285,592.23, 428,400.17 and 235,579.19

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Solution

The fourth proportional to 285,592.23, 428,400.17 and 235,579.19 is: 353,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,592.23 : 428,400.17 = 235,579.19 : x
  2. Step 2: Convert to fraction form
    285,592.23/428,400.17 = 235,579.19/x
  3. Step 3: Cross multiply
    285,592.23x = 428,400.17 × 235,579.19
  4. Step 4: Simplify right side
    285,592.23x = 100,922,163,933.12
  5. Step 5: Solve for x
    x = 100,922,163,933.12/285,592.23
  6. Step 6: Final answer
    x = 353,378.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.