Home / 370,541.07-511,347.04-200,775.20

Finding the Fourth Proportional to 370,541.07, 511,347.04 and 200,775.20

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Solution

The fourth proportional to 370,541.07, 511,347.04 and 200,775.20 is: 277,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,541.07 : 511,347.04 = 200,775.20 : x
  2. Step 2: Convert to fraction form
    370,541.07/511,347.04 = 200,775.20/x
  3. Step 3: Cross multiply
    370,541.07x = 511,347.04 × 200,775.20
  4. Step 4: Simplify right side
    370,541.07x = 102,665,801,166.74
  5. Step 5: Solve for x
    x = 102,665,801,166.74/370,541.07
  6. Step 6: Final answer
    x = 277,069.96

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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.