Home / 228,795.18-315,630.55-143,959.02

Finding the Fourth Proportional to 228,795.18, 315,630.55 and 143,959.02

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Solution

The fourth proportional to 228,795.18, 315,630.55 and 143,959.02 is: 198,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,795.18 : 315,630.55 = 143,959.02 : x
  2. Step 2: Convert to fraction form
    228,795.18/315,630.55 = 143,959.02/x
  3. Step 3: Cross multiply
    228,795.18x = 315,630.55 × 143,959.02
  4. Step 4: Simplify right side
    228,795.18x = 45,437,862,362.11
  5. Step 5: Solve for x
    x = 45,437,862,362.11/228,795.18
  6. Step 6: Final answer
    x = 198,596.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.