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Finding the Fourth Proportional to 290,893.77, 401,400.77 and 163,566.63

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Solution

The fourth proportional to 290,893.77, 401,400.77 and 163,566.63 is: 225,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,893.77 : 401,400.77 = 163,566.63 : x
  2. Step 2: Convert to fraction form
    290,893.77/401,400.77 = 163,566.63/x
  3. Step 3: Cross multiply
    290,893.77x = 401,400.77 × 163,566.63
  4. Step 4: Simplify right side
    290,893.77x = 65,655,770,410.47
  5. Step 5: Solve for x
    x = 65,655,770,410.47/290,893.77
  6. Step 6: Final answer
    x = 225,703.60

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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.