Home / 199,275.84-298,968.44-99,315.36

Finding the Fourth Proportional to 199,275.84, 298,968.44 and 99,315.36

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Solution

The fourth proportional to 199,275.84, 298,968.44 and 99,315.36 is: 149,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,275.84 : 298,968.44 = 99,315.36 : x
  2. Step 2: Convert to fraction form
    199,275.84/298,968.44 = 99,315.36/x
  3. Step 3: Cross multiply
    199,275.84x = 298,968.44 × 99,315.36
  4. Step 4: Simplify right side
    199,275.84x = 29,692,158,247.24
  5. Step 5: Solve for x
    x = 29,692,158,247.24/199,275.84
  6. Step 6: Final answer
    x = 149,000.29

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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.