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Finding the Fourth Proportional to 318,154.42, 476,193.21 and 233,892.28

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Solution

The fourth proportional to 318,154.42, 476,193.21 and 233,892.28 is: 350,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,154.42 : 476,193.21 = 233,892.28 : x
  2. Step 2: Convert to fraction form
    318,154.42/476,193.21 = 233,892.28/x
  3. Step 3: Cross multiply
    318,154.42x = 476,193.21 × 233,892.28
  4. Step 4: Simplify right side
    318,154.42x = 111,377,915,607.42
  5. Step 5: Solve for x
    x = 111,377,915,607.42/318,154.42
  6. Step 6: Final answer
    x = 350,075.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.