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Finding the Fourth Proportional to 300,750.27, 450,814.37 and 142,858.59

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Solution

The fourth proportional to 300,750.27, 450,814.37 and 142,858.59 is: 214,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,750.27 : 450,814.37 = 142,858.59 : x
  2. Step 2: Convert to fraction form
    300,750.27/450,814.37 = 142,858.59/x
  3. Step 3: Cross multiply
    300,750.27x = 450,814.37 × 142,858.59
  4. Step 4: Simplify right side
    300,750.27x = 64,402,704,535.65
  5. Step 5: Solve for x
    x = 64,402,704,535.65/300,750.27
  6. Step 6: Final answer
    x = 214,140.14

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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.