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Finding the Fourth Proportional to 251,098.94, 346,462.62 and 149,158.77

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Solution

The fourth proportional to 251,098.94, 346,462.62 and 149,158.77 is: 205,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,098.94 : 346,462.62 = 149,158.77 : x
  2. Step 2: Convert to fraction form
    251,098.94/346,462.62 = 149,158.77/x
  3. Step 3: Cross multiply
    251,098.94x = 346,462.62 × 149,158.77
  4. Step 4: Simplify right side
    251,098.94x = 51,677,938,299.74
  5. Step 5: Solve for x
    x = 51,677,938,299.74/251,098.94
  6. Step 6: Final answer
    x = 205,807.08

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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.