Home / 205,579.10-308,417.73-65,337.98

Finding the Fourth Proportional to 205,579.10, 308,417.73 and 65,337.98

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Solution

The fourth proportional to 205,579.10, 308,417.73 and 65,337.98 is: 98,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,579.10 : 308,417.73 = 65,337.98 : x
  2. Step 2: Convert to fraction form
    205,579.10/308,417.73 = 65,337.98/x
  3. Step 3: Cross multiply
    205,579.10x = 308,417.73 × 65,337.98
  4. Step 4: Simplify right side
    205,579.10x = 20,151,391,474.39
  5. Step 5: Solve for x
    x = 20,151,391,474.39/205,579.10
  6. Step 6: Final answer
    x = 98,022.57

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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.