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Finding the Fourth Proportional to 286,291.80, 395,114.27 and 163,795.56

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Solution

The fourth proportional to 286,291.80, 395,114.27 and 163,795.56 is: 226,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,291.80 : 395,114.27 = 163,795.56 : x
  2. Step 2: Convert to fraction form
    286,291.80/395,114.27 = 163,795.56/x
  3. Step 3: Cross multiply
    286,291.80x = 395,114.27 × 163,795.56
  4. Step 4: Simplify right side
    286,291.80x = 64,717,963,118.64
  5. Step 5: Solve for x
    x = 64,717,963,118.64/286,291.80
  6. Step 6: Final answer
    x = 226,055.94

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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.