Home / 329,431.02-454,663.56-208,583.52

Finding the Fourth Proportional to 329,431.02, 454,663.56 and 208,583.52

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Solution

The fourth proportional to 329,431.02, 454,663.56 and 208,583.52 is: 287,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,431.02 : 454,663.56 = 208,583.52 : x
  2. Step 2: Convert to fraction form
    329,431.02/454,663.56 = 208,583.52/x
  3. Step 3: Cross multiply
    329,431.02x = 454,663.56 × 208,583.52
  4. Step 4: Simplify right side
    329,431.02x = 94,835,325,760.53
  5. Step 5: Solve for x
    x = 94,835,325,760.53/329,431.02
  6. Step 6: Final answer
    x = 287,876.13

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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.