Home / 393,160.10-589,740.15-235,307.30

Finding the Fourth Proportional to 393,160.10, 589,740.15 and 235,307.30

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Solution

The fourth proportional to 393,160.10, 589,740.15 and 235,307.30 is: 352,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,160.10 : 589,740.15 = 235,307.30 : x
  2. Step 2: Convert to fraction form
    393,160.10/589,740.15 = 235,307.30/x
  3. Step 3: Cross multiply
    393,160.10x = 589,740.15 × 235,307.30
  4. Step 4: Simplify right side
    393,160.10x = 138,770,162,398.10
  5. Step 5: Solve for x
    x = 138,770,162,398.10/393,160.10
  6. Step 6: Final answer
    x = 352,960.95

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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.