Home / 448,683.91-672,880.26-149,084.04

Finding the Fourth Proportional to 448,683.91, 672,880.26 and 149,084.04

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Solution

The fourth proportional to 448,683.91, 672,880.26 and 149,084.04 is: 223,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,683.91 : 672,880.26 = 149,084.04 : x
  2. Step 2: Convert to fraction form
    448,683.91/672,880.26 = 149,084.04/x
  3. Step 3: Cross multiply
    448,683.91x = 672,880.26 × 149,084.04
  4. Step 4: Simplify right side
    448,683.91x = 100,315,710,679.42
  5. Step 5: Solve for x
    x = 100,315,710,679.42/448,683.91
  6. Step 6: Final answer
    x = 223,577.69

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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.