Home / 370,542.23-511,348.37-200,776.35

Finding the Fourth Proportional to 370,542.23, 511,348.37 and 200,776.35

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Solution

The fourth proportional to 370,542.23, 511,348.37 and 200,776.35 is: 277,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,542.23 : 511,348.37 = 200,776.35 : x
  2. Step 2: Convert to fraction form
    370,542.23/511,348.37 = 200,776.35/x
  3. Step 3: Cross multiply
    370,542.23x = 511,348.37 × 200,776.35
  4. Step 4: Simplify right side
    370,542.23x = 102,666,659,307.05
  5. Step 5: Solve for x
    x = 102,666,659,307.05/370,542.23
  6. Step 6: Final answer
    x = 277,071.41

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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.