Home / 403,964-557,467.32-222,676.10

Finding the Fourth Proportional to 403,964, 557,467.32 and 222,676.10

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Solution

The fourth proportional to 403,964, 557,467.32 and 222,676.10 is: 307,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,964 : 557,467.32 = 222,676.10 : x
  2. Step 2: Convert to fraction form
    403,964/557,467.32 = 222,676.10/x
  3. Step 3: Cross multiply
    403,964x = 557,467.32 × 222,676.10
  4. Step 4: Simplify right side
    403,964x = 124,134,648,695.05
  5. Step 5: Solve for x
    x = 124,134,648,695.05/403,964
  6. Step 6: Final answer
    x = 307,291.36

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1.5x scale

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.