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Finding the Fourth Proportional to 370,557.98, 511,365.77 and 200,792.10

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Solution

The fourth proportional to 370,557.98, 511,365.77 and 200,792.10 is: 277,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,557.98 : 511,365.77 = 200,792.10 : x
  2. Step 2: Convert to fraction form
    370,557.98/511,365.77 = 200,792.10/x
  3. Step 3: Cross multiply
    370,557.98x = 511,365.77 × 200,792.10
  4. Step 4: Simplify right side
    370,557.98x = 102,678,206,826.42
  5. Step 5: Solve for x
    x = 102,678,206,826.42/370,557.98
  6. Step 6: Final answer
    x = 277,090.80

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1.5x scale

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.