Home / 279,733.47-419,966.07-166,088.74

Finding the Fourth Proportional to 279,733.47, 419,966.07 and 166,088.74

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Solution

The fourth proportional to 279,733.47, 419,966.07 and 166,088.74 is: 249,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,733.47 : 419,966.07 = 166,088.74 : x
  2. Step 2: Convert to fraction form
    279,733.47/419,966.07 = 166,088.74/x
  3. Step 3: Cross multiply
    279,733.47x = 419,966.07 × 166,088.74
  4. Step 4: Simplify right side
    279,733.47x = 69,751,634,578.61
  5. Step 5: Solve for x
    x = 69,751,634,578.61/279,733.47
  6. Step 6: Final answer
    x = 249,350.34

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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.