Home / 346,429.72-478,067.96-193,466.29

Finding the Fourth Proportional to 346,429.72, 478,067.96 and 193,466.29

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Solution

The fourth proportional to 346,429.72, 478,067.96 and 193,466.29 is: 266,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,429.72 : 478,067.96 = 193,466.29 : x
  2. Step 2: Convert to fraction form
    346,429.72/478,067.96 = 193,466.29/x
  3. Step 3: Cross multiply
    346,429.72x = 478,067.96 × 193,466.29
  4. Step 4: Simplify right side
    346,429.72x = 92,490,032,910.23
  5. Step 5: Solve for x
    x = 92,490,032,910.23/346,429.72
  6. Step 6: Final answer
    x = 266,980.66

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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.