Home / 379,035.79-523,070.51-206,955.25

Finding the Fourth Proportional to 379,035.79, 523,070.51 and 206,955.25

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Solution

The fourth proportional to 379,035.79, 523,070.51 and 206,955.25 is: 285,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,035.79 : 523,070.51 = 206,955.25 : x
  2. Step 2: Convert to fraction form
    379,035.79/523,070.51 = 206,955.25/x
  3. Step 3: Cross multiply
    379,035.79x = 523,070.51 × 206,955.25
  4. Step 4: Simplify right side
    379,035.79x = 108,252,185,822.23
  5. Step 5: Solve for x
    x = 108,252,185,822.23/379,035.79
  6. Step 6: Final answer
    x = 285,598.85

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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.