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Finding the Fourth Proportional to 483,483.65, 725,356.69 and 146,510.69

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Solution

The fourth proportional to 483,483.65, 725,356.69 and 146,510.69 is: 219,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,483.65 : 725,356.69 = 146,510.69 : x
  2. Step 2: Convert to fraction form
    483,483.65/725,356.69 = 146,510.69/x
  3. Step 3: Cross multiply
    483,483.65x = 725,356.69 × 146,510.69
  4. Step 4: Simplify right side
    483,483.65x = 106,272,505,154.96
  5. Step 5: Solve for x
    x = 106,272,505,154.96/483,483.65
  6. Step 6: Final answer
    x = 219,805.79

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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.