Home / 358,738.49-537,920.80-133,914.02

Finding the Fourth Proportional to 358,738.49, 537,920.80 and 133,914.02

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Solution

The fourth proportional to 358,738.49, 537,920.80 and 133,914.02 is: 200,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,738.49 : 537,920.80 = 133,914.02 : x
  2. Step 2: Convert to fraction form
    358,738.49/537,920.80 = 133,914.02/x
  3. Step 3: Cross multiply
    358,738.49x = 537,920.80 × 133,914.02
  4. Step 4: Simplify right side
    358,738.49x = 72,035,133,745.23
  5. Step 5: Solve for x
    x = 72,035,133,745.23/358,738.49
  6. Step 6: Final answer
    x = 200,801.24

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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.