Home / 300,056.28-450,305.94-142,285.26

Finding the Fourth Proportional to 300,056.28, 450,305.94 and 142,285.26

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Solution

The fourth proportional to 300,056.28, 450,305.94 and 142,285.26 is: 213,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,056.28 : 450,305.94 = 142,285.26 : x
  2. Step 2: Convert to fraction form
    300,056.28/450,305.94 = 142,285.26/x
  3. Step 3: Cross multiply
    300,056.28x = 450,305.94 × 142,285.26
  4. Step 4: Simplify right side
    300,056.28x = 64,071,897,752.44
  5. Step 5: Solve for x
    x = 64,071,897,752.44/300,056.28
  6. Step 6: Final answer
    x = 213,532.93

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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.