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Finding the Fourth Proportional to 255,841.40, 384,107.70 and 162,529.40

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Solution

The fourth proportional to 255,841.40, 384,107.70 and 162,529.40 is: 244,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841.40 : 384,107.70 = 162,529.40 : x
  2. Step 2: Convert to fraction form
    255,841.40/384,107.70 = 162,529.40/x
  3. Step 3: Cross multiply
    255,841.40x = 384,107.70 × 162,529.40
  4. Step 4: Simplify right side
    255,841.40x = 62,428,794,016.38
  5. Step 5: Solve for x
    x = 62,428,794,016.38/255,841.40
  6. Step 6: Final answer
    x = 244,013.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.