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Finding the Fourth Proportional to 286,875.68, 395,877.76 and 159,548.54

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Solution

The fourth proportional to 286,875.68, 395,877.76 and 159,548.54 is: 220,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,875.68 : 395,877.76 = 159,548.54 : x
  2. Step 2: Convert to fraction form
    286,875.68/395,877.76 = 159,548.54/x
  3. Step 3: Cross multiply
    286,875.68x = 395,877.76 × 159,548.54
  4. Step 4: Simplify right side
    286,875.68x = 63,161,718,626.47
  5. Step 5: Solve for x
    x = 63,161,718,626.47/286,875.68
  6. Step 6: Final answer
    x = 220,171.05

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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.