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Finding the Fourth Proportional to 483,491.60, 725,242.20 and 146,533.04

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Solution

The fourth proportional to 483,491.60, 725,242.20 and 146,533.04 is: 219,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,491.60 : 725,242.20 = 146,533.04 : x
  2. Step 2: Convert to fraction form
    483,491.60/725,242.20 = 146,533.04/x
  3. Step 3: Cross multiply
    483,491.60x = 725,242.20 × 146,533.04
  4. Step 4: Simplify right side
    483,491.60x = 106,271,944,302.29
  5. Step 5: Solve for x
    x = 106,271,944,302.29/483,491.60
  6. Step 6: Final answer
    x = 219,801.01

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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.