Home / 319,111.18-478,671.80-94,494.44

Finding the Fourth Proportional to 319,111.18, 478,671.80 and 94,494.44

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Solution

The fourth proportional to 319,111.18, 478,671.80 and 94,494.44 is: 141,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,111.18 : 478,671.80 = 94,494.44 : x
  2. Step 2: Convert to fraction form
    319,111.18/478,671.80 = 94,494.44/x
  3. Step 3: Cross multiply
    319,111.18x = 478,671.80 × 94,494.44
  4. Step 4: Simplify right side
    319,111.18x = 45,231,824,409.00
  5. Step 5: Solve for x
    x = 45,231,824,409.00/319,111.18
  6. Step 6: Final answer
    x = 141,743.15

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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.