Home / 346,832.52-520,290.42-122,146.50

Finding the Fourth Proportional to 346,832.52, 520,290.42 and 122,146.50

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Solution

The fourth proportional to 346,832.52, 520,290.42 and 122,146.50 is: 183,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,832.52 : 520,290.42 = 122,146.50 : x
  2. Step 2: Convert to fraction form
    346,832.52/520,290.42 = 122,146.50/x
  3. Step 3: Cross multiply
    346,832.52x = 520,290.42 × 122,146.50
  4. Step 4: Simplify right side
    346,832.52x = 63,551,653,786.53
  5. Step 5: Solve for x
    x = 63,551,653,786.53/346,832.52
  6. Step 6: Final answer
    x = 183,234.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.