Home / 455,038.85-682,266.68-188,983.01

Finding the Fourth Proportional to 455,038.85, 682,266.68 and 188,983.01

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Solution

The fourth proportional to 455,038.85, 682,266.68 and 188,983.01 is: 283,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,038.85 : 682,266.68 = 188,983.01 : x
  2. Step 2: Convert to fraction form
    455,038.85/682,266.68 = 188,983.01/x
  3. Step 3: Cross multiply
    455,038.85x = 682,266.68 × 188,983.01
  4. Step 4: Simplify right side
    455,038.85x = 128,936,811,569.86
  5. Step 5: Solve for x
    x = 128,936,811,569.86/455,038.85
  6. Step 6: Final answer
    x = 283,353.41

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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.