Home / 480,189.45-720,072-255,496.62

Finding the Fourth Proportional to 480,189.45, 720,072 and 255,496.62

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Solution

The fourth proportional to 480,189.45, 720,072 and 255,496.62 is: 383,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,189.45 : 720,072 = 255,496.62 : x
  2. Step 2: Convert to fraction form
    480,189.45/720,072 = 255,496.62/x
  3. Step 3: Cross multiply
    480,189.45x = 720,072 × 255,496.62
  4. Step 4: Simplify right side
    480,189.45x = 183,975,962,156.64
  5. Step 5: Solve for x
    x = 183,975,962,156.64/480,189.45
  6. Step 6: Final answer
    x = 383,132.04

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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.