Home / 368,815.88-508,961.07-207,686.84

Finding the Fourth Proportional to 368,815.88, 508,961.07 and 207,686.84

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Solution

The fourth proportional to 368,815.88, 508,961.07 and 207,686.84 is: 286,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,815.88 : 508,961.07 = 207,686.84 : x
  2. Step 2: Convert to fraction form
    368,815.88/508,961.07 = 207,686.84/x
  3. Step 3: Cross multiply
    368,815.88x = 508,961.07 × 207,686.84
  4. Step 4: Simplify right side
    368,815.88x = 105,704,513,766.51
  5. Step 5: Solve for x
    x = 105,704,513,766.51/368,815.88
  6. Step 6: Final answer
    x = 286,605.10

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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.