Home / 448,126.53-672,256.09-148,541.02

Finding the Fourth Proportional to 448,126.53, 672,256.09 and 148,541.02

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Solution

The fourth proportional to 448,126.53, 672,256.09 and 148,541.02 is: 222,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,126.53 : 672,256.09 = 148,541.02 : x
  2. Step 2: Convert to fraction form
    448,126.53/672,256.09 = 148,541.02/x
  3. Step 3: Cross multiply
    448,126.53x = 672,256.09 × 148,541.02
  4. Step 4: Simplify right side
    448,126.53x = 99,857,607,596.29
  5. Step 5: Solve for x
    x = 99,857,607,596.29/448,126.53
  6. Step 6: Final answer
    x = 222,833.51

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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.