Home / 446,568.80-669,911.28-147,080

Finding the Fourth Proportional to 446,568.80, 669,911.28 and 147,080

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Solution

The fourth proportional to 446,568.80, 669,911.28 and 147,080 is: 220,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,568.80 : 669,911.28 = 147,080 : x
  2. Step 2: Convert to fraction form
    446,568.80/669,911.28 = 147,080/x
  3. Step 3: Cross multiply
    446,568.80x = 669,911.28 × 147,080
  4. Step 4: Simplify right side
    446,568.80x = 98,530,551,062.40
  5. Step 5: Solve for x
    x = 98,530,551,062.40/446,568.80
  6. Step 6: Final answer
    x = 220,639.13

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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.