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Finding the Fourth Proportional to 259,654.71, 358,329.93 and 146,484.75

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Solution

The fourth proportional to 259,654.71, 358,329.93 and 146,484.75 is: 202,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,654.71 : 358,329.93 = 146,484.75 : x
  2. Step 2: Convert to fraction form
    259,654.71/358,329.93 = 146,484.75/x
  3. Step 3: Cross multiply
    259,654.71x = 358,329.93 × 146,484.75
  4. Step 4: Simplify right side
    259,654.71x = 52,489,870,213.57
  5. Step 5: Solve for x
    x = 52,489,870,213.57/259,654.71
  6. Step 6: Final answer
    x = 202,152.58

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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.