Home / 368,436.02-508,438.12-205,089.93

Finding the Fourth Proportional to 368,436.02, 508,438.12 and 205,089.93

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Solution

The fourth proportional to 368,436.02, 508,438.12 and 205,089.93 is: 283,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,436.02 : 508,438.12 = 205,089.93 : x
  2. Step 2: Convert to fraction form
    368,436.02/508,438.12 = 205,089.93/x
  3. Step 3: Cross multiply
    368,436.02x = 508,438.12 × 205,089.93
  4. Step 4: Simplify right side
    368,436.02x = 104,275,538,440.13
  5. Step 5: Solve for x
    x = 104,275,538,440.13/368,436.02
  6. Step 6: Final answer
    x = 283,022.11

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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.