Home / 275,001.07-379,471.07-152,490.37

Finding the Fourth Proportional to 275,001.07, 379,471.07 and 152,490.37

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Solution

The fourth proportional to 275,001.07, 379,471.07 and 152,490.37 is: 210,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,001.07 : 379,471.07 = 152,490.37 : x
  2. Step 2: Convert to fraction form
    275,001.07/379,471.07 = 152,490.37/x
  3. Step 3: Cross multiply
    275,001.07x = 379,471.07 × 152,490.37
  4. Step 4: Simplify right side
    275,001.07x = 57,865,683,289.54
  5. Step 5: Solve for x
    x = 57,865,683,289.54/275,001.07
  6. Step 6: Final answer
    x = 210,419.85

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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.