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Finding the Fourth Proportional to 255,379.90, 352,412.81 and 146,406.10

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Solution

The fourth proportional to 255,379.90, 352,412.81 and 146,406.10 is: 202,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,379.90 : 352,412.81 = 146,406.10 : x
  2. Step 2: Convert to fraction form
    255,379.90/352,412.81 = 146,406.10/x
  3. Step 3: Cross multiply
    255,379.90x = 352,412.81 × 146,406.10
  4. Step 4: Simplify right side
    255,379.90x = 51,595,384,370.11
  5. Step 5: Solve for x
    x = 51,595,384,370.11/255,379.90
  6. Step 6: Final answer
    x = 202,033.85

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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.