Home / 330,490.08-456,050.52-187,272.54

Finding the Fourth Proportional to 330,490.08, 456,050.52 and 187,272.54

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Solution

The fourth proportional to 330,490.08, 456,050.52 and 187,272.54 is: 258,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,490.08 : 456,050.52 = 187,272.54 : x
  2. Step 2: Convert to fraction form
    330,490.08/456,050.52 = 187,272.54/x
  3. Step 3: Cross multiply
    330,490.08x = 456,050.52 × 187,272.54
  4. Step 4: Simplify right side
    330,490.08x = 85,405,739,248.72
  5. Step 5: Solve for x
    x = 85,405,739,248.72/330,490.08
  6. Step 6: Final answer
    x = 258,421.49

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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.