Home / 454,576.64-681,899.52-139,057.28

Finding the Fourth Proportional to 454,576.64, 681,899.52 and 139,057.28

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Solution

The fourth proportional to 454,576.64, 681,899.52 and 139,057.28 is: 208,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,576.64 : 681,899.52 = 139,057.28 : x
  2. Step 2: Convert to fraction form
    454,576.64/681,899.52 = 139,057.28/x
  3. Step 3: Cross multiply
    454,576.64x = 681,899.52 × 139,057.28
  4. Step 4: Simplify right side
    454,576.64x = 94,823,092,484.51
  5. Step 5: Solve for x
    x = 94,823,092,484.51/454,576.64
  6. Step 6: Final answer
    x = 208,596.49

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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.