Home / 368,943.24-509,269.07-216,030.59

Finding the Fourth Proportional to 368,943.24, 509,269.07 and 216,030.59

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Solution

The fourth proportional to 368,943.24, 509,269.07 and 216,030.59 is: 298,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,943.24 : 509,269.07 = 216,030.59 : x
  2. Step 2: Convert to fraction form
    368,943.24/509,269.07 = 216,030.59/x
  3. Step 3: Cross multiply
    368,943.24x = 509,269.07 × 216,030.59
  4. Step 4: Simplify right side
    368,943.24x = 110,017,695,654.58
  5. Step 5: Solve for x
    x = 110,017,695,654.58/368,943.24
  6. Step 6: Final answer
    x = 298,196.81

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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.