Home / 200,280.48-300,312.96-80,277.20

Finding the Fourth Proportional to 200,280.48, 300,312.96 and 80,277.20

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Solution

The fourth proportional to 200,280.48, 300,312.96 and 80,277.20 is: 120,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,280.48 : 300,312.96 = 80,277.20 : x
  2. Step 2: Convert to fraction form
    200,280.48/300,312.96 = 80,277.20/x
  3. Step 3: Cross multiply
    200,280.48x = 300,312.96 × 80,277.20
  4. Step 4: Simplify right side
    200,280.48x = 24,108,283,552.51
  5. Step 5: Solve for x
    x = 24,108,283,552.51/200,280.48
  6. Step 6: Final answer
    x = 120,372.61

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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.