Home / 245,454.81-338,762.16-205,104.66

Finding the Fourth Proportional to 245,454.81, 338,762.16 and 205,104.66

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Solution

The fourth proportional to 245,454.81, 338,762.16 and 205,104.66 is: 283,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,454.81 : 338,762.16 = 205,104.66 : x
  2. Step 2: Convert to fraction form
    245,454.81/338,762.16 = 205,104.66/x
  3. Step 3: Cross multiply
    245,454.81x = 338,762.16 × 205,104.66
  4. Step 4: Simplify right side
    245,454.81x = 69,481,697,647.67
  5. Step 5: Solve for x
    x = 69,481,697,647.67/245,454.81
  6. Step 6: Final answer
    x = 283,073.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.