Home / 325,555.20-448,346.88-279,901.44

Finding the Fourth Proportional to 325,555.20, 448,346.88 and 279,901.44

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Solution

The fourth proportional to 325,555.20, 448,346.88 and 279,901.44 is: 385,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,555.20 : 448,346.88 = 279,901.44 : x
  2. Step 2: Convert to fraction form
    325,555.20/448,346.88 = 279,901.44/x
  3. Step 3: Cross multiply
    325,555.20x = 448,346.88 × 279,901.44
  4. Step 4: Simplify right side
    325,555.20x = 125,492,937,331.51
  5. Step 5: Solve for x
    x = 125,492,937,331.51/325,555.20
  6. Step 6: Final answer
    x = 385,473.61

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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.