Home / 251,799.40-377,295.90-133,316.20

Finding the Fourth Proportional to 251,799.40, 377,295.90 and 133,316.20

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Solution

The fourth proportional to 251,799.40, 377,295.90 and 133,316.20 is: 199,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,799.40 : 377,295.90 = 133,316.20 : x
  2. Step 2: Convert to fraction form
    251,799.40/377,295.90 = 133,316.20/x
  3. Step 3: Cross multiply
    251,799.40x = 377,295.90 × 133,316.20
  4. Step 4: Simplify right side
    251,799.40x = 50,299,655,663.58
  5. Step 5: Solve for x
    x = 50,299,655,663.58/251,799.40
  6. Step 6: Final answer
    x = 199,760.82

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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.