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Finding the Fourth Proportional to 370,549.77, 511,300.38 and 215,535.34

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Solution

The fourth proportional to 370,549.77, 511,300.38 and 215,535.34 is: 297,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,549.77 : 511,300.38 = 215,535.34 : x
  2. Step 2: Convert to fraction form
    370,549.77/511,300.38 = 215,535.34/x
  3. Step 3: Cross multiply
    370,549.77x = 511,300.38 × 215,535.34
  4. Step 4: Simplify right side
    370,549.77x = 110,203,301,245.43
  5. Step 5: Solve for x
    x = 110,203,301,245.43/370,549.77
  6. Step 6: Final answer
    x = 297,404.86

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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.