Home / 268,388.10-370,376.34-153,668.50

Finding the Fourth Proportional to 268,388.10, 370,376.34 and 153,668.50

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Solution

The fourth proportional to 268,388.10, 370,376.34 and 153,668.50 is: 212,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,388.10 : 370,376.34 = 153,668.50 : x
  2. Step 2: Convert to fraction form
    268,388.10/370,376.34 = 153,668.50/x
  3. Step 3: Cross multiply
    268,388.10x = 370,376.34 × 153,668.50
  4. Step 4: Simplify right side
    268,388.10x = 56,915,177,367.32
  5. Step 5: Solve for x
    x = 56,915,177,367.32/268,388.10
  6. Step 6: Final answer
    x = 212,062.97

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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.