Home / 484,948.30-669,229.46-281,038.50

Finding the Fourth Proportional to 484,948.30, 669,229.46 and 281,038.50

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Solution

The fourth proportional to 484,948.30, 669,229.46 and 281,038.50 is: 387,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,948.30 : 669,229.46 = 281,038.50 : x
  2. Step 2: Convert to fraction form
    484,948.30/669,229.46 = 281,038.50/x
  3. Step 3: Cross multiply
    484,948.30x = 669,229.46 × 281,038.50
  4. Step 4: Simplify right side
    484,948.30x = 188,079,243,594.21
  5. Step 5: Solve for x
    x = 188,079,243,594.21/484,948.30
  6. Step 6: Final answer
    x = 387,833.60

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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.