Home / 275,459.13-380,135.22-152,953.25

Finding the Fourth Proportional to 275,459.13, 380,135.22 and 152,953.25

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Solution

The fourth proportional to 275,459.13, 380,135.22 and 152,953.25 is: 211,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,459.13 : 380,135.22 = 152,953.25 : x
  2. Step 2: Convert to fraction form
    275,459.13/380,135.22 = 152,953.25/x
  3. Step 3: Cross multiply
    275,459.13x = 380,135.22 × 152,953.25
  4. Step 4: Simplify right side
    275,459.13x = 58,142,915,437.79
  5. Step 5: Solve for x
    x = 58,142,915,437.79/275,459.13
  6. Step 6: Final answer
    x = 211,076.38

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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.