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Finding the Fourth Proportional to 259,464.76, 358,060.76 and 146,286.70

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Solution

The fourth proportional to 259,464.76, 358,060.76 and 146,286.70 is: 201,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,464.76 : 358,060.76 = 146,286.70 : x
  2. Step 2: Convert to fraction form
    259,464.76/358,060.76 = 146,286.70/x
  3. Step 3: Cross multiply
    259,464.76x = 358,060.76 × 146,286.70
  4. Step 4: Simplify right side
    259,464.76x = 52,379,526,979.89
  5. Step 5: Solve for x
    x = 52,379,526,979.89/259,464.76
  6. Step 6: Final answer
    x = 201,875.30

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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.