Home / 251,298.80-346,795.02-136,577.45

Finding the Fourth Proportional to 251,298.80, 346,795.02 and 136,577.45

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Solution

The fourth proportional to 251,298.80, 346,795.02 and 136,577.45 is: 188,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298.80 : 346,795.02 = 136,577.45 : x
  2. Step 2: Convert to fraction form
    251,298.80/346,795.02 = 136,577.45/x
  3. Step 3: Cross multiply
    251,298.80x = 346,795.02 × 136,577.45
  4. Step 4: Simplify right side
    251,298.80x = 47,364,379,504.30
  5. Step 5: Solve for x
    x = 47,364,379,504.30/251,298.80
  6. Step 6: Final answer
    x = 188,478.34

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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.