Home / 484,931.97-669,205.88-281,101.01

Finding the Fourth Proportional to 484,931.97, 669,205.88 and 281,101.01

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Solution

The fourth proportional to 484,931.97, 669,205.88 and 281,101.01 is: 387,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,931.97 : 669,205.88 = 281,101.01 : x
  2. Step 2: Convert to fraction form
    484,931.97/669,205.88 = 281,101.01/x
  3. Step 3: Cross multiply
    484,931.97x = 669,205.88 × 281,101.01
  4. Step 4: Simplify right side
    484,931.97x = 188,114,447,360.43
  5. Step 5: Solve for x
    x = 188,114,447,360.43/484,931.97
  6. Step 6: Final answer
    x = 387,919.25

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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.