Home / 238,721.41-358,132.39-70,227.64

Finding the Fourth Proportional to 238,721.41, 358,132.39 and 70,227.64

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Solution

The fourth proportional to 238,721.41, 358,132.39 and 70,227.64 is: 105,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,721.41 : 358,132.39 = 70,227.64 : x
  2. Step 2: Convert to fraction form
    238,721.41/358,132.39 = 70,227.64/x
  3. Step 3: Cross multiply
    238,721.41x = 358,132.39 × 70,227.64
  4. Step 4: Simplify right side
    238,721.41x = 25,150,792,829.36
  5. Step 5: Solve for x
    x = 25,150,792,829.36/238,721.41
  6. Step 6: Final answer
    x = 105,356.25

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1.5x scale

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.