Home / 370,542.07-511,348.42-200,776.20

Finding the Fourth Proportional to 370,542.07, 511,348.42 and 200,776.20

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Solution

The fourth proportional to 370,542.07, 511,348.42 and 200,776.20 is: 277,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,542.07 : 511,348.42 = 200,776.20 : x
  2. Step 2: Convert to fraction form
    370,542.07/511,348.42 = 200,776.20/x
  3. Step 3: Cross multiply
    370,542.07x = 511,348.42 × 200,776.20
  4. Step 4: Simplify right side
    370,542.07x = 102,666,592,643.60
  5. Step 5: Solve for x
    x = 102,666,592,643.60/370,542.07
  6. Step 6: Final answer
    x = 277,071.35

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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.