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Finding the Fourth Proportional to 286,804.26, 395,773.56 and 159,477.12

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Solution

The fourth proportional to 286,804.26, 395,773.56 and 159,477.12 is: 220,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,804.26 : 395,773.56 = 159,477.12 : x
  2. Step 2: Convert to fraction form
    286,804.26/395,773.56 = 159,477.12/x
  3. Step 3: Cross multiply
    286,804.26x = 395,773.56 × 159,477.12
  4. Step 4: Simplify right side
    286,804.26x = 63,116,827,520.95
  5. Step 5: Solve for x
    x = 63,116,827,520.95/286,804.26
  6. Step 6: Final answer
    x = 220,069.35

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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.