Home / 319,254.02-478,867.16-79,362.84

Finding the Fourth Proportional to 319,254.02, 478,867.16 and 79,362.84

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Solution

The fourth proportional to 319,254.02, 478,867.16 and 79,362.84 is: 119,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,254.02 : 478,867.16 = 79,362.84 : x
  2. Step 2: Convert to fraction form
    319,254.02/478,867.16 = 79,362.84/x
  3. Step 3: Cross multiply
    319,254.02x = 478,867.16 × 79,362.84
  4. Step 4: Simplify right side
    319,254.02x = 38,004,257,800.33
  5. Step 5: Solve for x
    x = 38,004,257,800.33/319,254.02
  6. Step 6: Final answer
    x = 119,040.81

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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.