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Finding the Fourth Proportional to 251,196.95, 346,655.72 and 136,477.87

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Solution

The fourth proportional to 251,196.95, 346,655.72 and 136,477.87 is: 188,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,196.95 : 346,655.72 = 136,477.87 : x
  2. Step 2: Convert to fraction form
    251,196.95/346,655.72 = 136,477.87/x
  3. Step 3: Cross multiply
    251,196.95x = 346,655.72 × 136,477.87
  4. Step 4: Simplify right side
    251,196.95x = 47,310,833,763.47
  5. Step 5: Solve for x
    x = 47,310,833,763.47/251,196.95
  6. Step 6: Final answer
    x = 188,341.59

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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.