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Finding the Fourth Proportional to 357,420.67, 493,351.22 and 230,096.25

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Solution

The fourth proportional to 357,420.67, 493,351.22 and 230,096.25 is: 317,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,420.67 : 493,351.22 = 230,096.25 : x
  2. Step 2: Convert to fraction form
    357,420.67/493,351.22 = 230,096.25/x
  3. Step 3: Cross multiply
    357,420.67x = 493,351.22 × 230,096.25
  4. Step 4: Simplify right side
    357,420.67x = 113,518,266,230.17
  5. Step 5: Solve for x
    x = 113,518,266,230.17/357,420.67
  6. Step 6: Final answer
    x = 317,604.09

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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.