Home / 385,624.20-578,522.70-148,945.80

Finding the Fourth Proportional to 385,624.20, 578,522.70 and 148,945.80

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Solution

The fourth proportional to 385,624.20, 578,522.70 and 148,945.80 is: 223,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,624.20 : 578,522.70 = 148,945.80 : x
  2. Step 2: Convert to fraction form
    385,624.20/578,522.70 = 148,945.80/x
  3. Step 3: Cross multiply
    385,624.20x = 578,522.70 × 148,945.80
  4. Step 4: Simplify right side
    385,624.20x = 86,168,526,369.66
  5. Step 5: Solve for x
    x = 86,168,526,369.66/385,624.20
  6. Step 6: Final answer
    x = 223,452.07

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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.