Home / 319,849.22-480,064.02-170,215.50

Finding the Fourth Proportional to 319,849.22, 480,064.02 and 170,215.50

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Solution

The fourth proportional to 319,849.22, 480,064.02 and 170,215.50 is: 255,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,849.22 : 480,064.02 = 170,215.50 : x
  2. Step 2: Convert to fraction form
    319,849.22/480,064.02 = 170,215.50/x
  3. Step 3: Cross multiply
    319,849.22x = 480,064.02 × 170,215.50
  4. Step 4: Simplify right side
    319,849.22x = 81,714,337,196.31
  5. Step 5: Solve for x
    x = 81,714,337,196.31/319,849.22
  6. Step 6: Final answer
    x = 255,477.68

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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.