Home / 272,318.09-375,772.64-157,573.85

Finding the Fourth Proportional to 272,318.09, 375,772.64 and 157,573.85

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Solution

The fourth proportional to 272,318.09, 375,772.64 and 157,573.85 is: 217,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,318.09 : 375,772.64 = 157,573.85 : x
  2. Step 2: Convert to fraction form
    272,318.09/375,772.64 = 157,573.85/x
  3. Step 3: Cross multiply
    272,318.09x = 375,772.64 × 157,573.85
  4. Step 4: Simplify right side
    272,318.09x = 59,211,940,124.54
  5. Step 5: Solve for x
    x = 59,211,940,124.54/272,318.09
  6. Step 6: Final answer
    x = 217,436.67

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1.5x scale

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.