Home / 305,941.23-458,522.40-172,895.67

Finding the Fourth Proportional to 305,941.23, 458,522.40 and 172,895.67

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Solution

The fourth proportional to 305,941.23, 458,522.40 and 172,895.67 is: 259,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,941.23 : 458,522.40 = 172,895.67 : x
  2. Step 2: Convert to fraction form
    305,941.23/458,522.40 = 172,895.67/x
  3. Step 3: Cross multiply
    305,941.23x = 458,522.40 × 172,895.67
  4. Step 4: Simplify right side
    305,941.23x = 79,276,537,558.01
  5. Step 5: Solve for x
    x = 79,276,537,558.01/305,941.23
  6. Step 6: Final answer
    x = 259,123.42

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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.