Home / 319,617.10-479,484.06-248,116.78

Finding the Fourth Proportional to 319,617.10, 479,484.06 and 248,116.78

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Solution

The fourth proportional to 319,617.10, 479,484.06 and 248,116.78 is: 372,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,617.10 : 479,484.06 = 248,116.78 : x
  2. Step 2: Convert to fraction form
    319,617.10/479,484.06 = 248,116.78/x
  3. Step 3: Cross multiply
    319,617.10x = 479,484.06 × 248,116.78
  4. Step 4: Simplify right side
    319,617.10x = 118,968,041,028.53
  5. Step 5: Solve for x
    x = 118,968,041,028.53/319,617.10
  6. Step 6: Final answer
    x = 372,220.51

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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.