Home / 328,734.55-493,258.01-227,688.11

Finding the Fourth Proportional to 328,734.55, 493,258.01 and 227,688.11

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Solution

The fourth proportional to 328,734.55, 493,258.01 and 227,688.11 is: 341,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,734.55 : 493,258.01 = 227,688.11 : x
  2. Step 2: Convert to fraction form
    328,734.55/493,258.01 = 227,688.11/x
  3. Step 3: Cross multiply
    328,734.55x = 493,258.01 × 227,688.11
  4. Step 4: Simplify right side
    328,734.55x = 112,308,985,058.82
  5. Step 5: Solve for x
    x = 112,308,985,058.82/328,734.55
  6. Step 6: Final answer
    x = 341,640.34

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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.