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Finding the Fourth Proportional to 325,019.54, 448,539.23 and 177,854.30

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Solution

The fourth proportional to 325,019.54, 448,539.23 and 177,854.30 is: 245,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,019.54 : 448,539.23 = 177,854.30 : x
  2. Step 2: Convert to fraction form
    325,019.54/448,539.23 = 177,854.30/x
  3. Step 3: Cross multiply
    325,019.54x = 448,539.23 × 177,854.30
  4. Step 4: Simplify right side
    325,019.54x = 79,774,627,642.22
  5. Step 5: Solve for x
    x = 79,774,627,642.22/325,019.54
  6. Step 6: Final answer
    x = 245,445.64

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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.