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Finding the Fourth Proportional to 297,047.79, 409,232.88 and 243,017.91

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Solution

The fourth proportional to 297,047.79, 409,232.88 and 243,017.91 is: 334,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,047.79 : 409,232.88 = 243,017.91 : x
  2. Step 2: Convert to fraction form
    297,047.79/409,232.88 = 243,017.91/x
  3. Step 3: Cross multiply
    297,047.79x = 409,232.88 × 243,017.91
  4. Step 4: Simplify right side
    297,047.79x = 99,450,919,200.88
  5. Step 5: Solve for x
    x = 99,450,919,200.88/297,047.79
  6. Step 6: Final answer
    x = 334,797.71

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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.