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Finding the Fourth Proportional to 370,854.60, 511,776.50 and 201,088.20

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Solution

The fourth proportional to 370,854.60, 511,776.50 and 201,088.20 is: 277,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,854.60 : 511,776.50 = 201,088.20 : x
  2. Step 2: Convert to fraction form
    370,854.60/511,776.50 = 201,088.20/x
  3. Step 3: Cross multiply
    370,854.60x = 511,776.50 × 201,088.20
  4. Step 4: Simplify right side
    370,854.60x = 102,912,215,187.30
  5. Step 5: Solve for x
    x = 102,912,215,187.30/370,854.60
  6. Step 6: Final answer
    x = 277,500.17

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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.