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Finding the Fourth Proportional to 286,871.77, 395,897.07 and 159,544.63

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Solution

The fourth proportional to 286,871.77, 395,897.07 and 159,544.63 is: 220,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,871.77 : 395,897.07 = 159,544.63 : x
  2. Step 2: Convert to fraction form
    286,871.77/395,897.07 = 159,544.63/x
  3. Step 3: Cross multiply
    286,871.77x = 395,897.07 × 159,544.63
  4. Step 4: Simplify right side
    286,871.77x = 63,163,248,774.03
  5. Step 5: Solve for x
    x = 63,163,248,774.03/286,871.77
  6. Step 6: Final answer
    x = 220,179.38

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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.