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Finding the Fourth Proportional to 366,466.34, 505,751.51 and 230,616.72

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Solution

The fourth proportional to 366,466.34, 505,751.51 and 230,616.72 is: 318,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,466.34 : 505,751.51 = 230,616.72 : x
  2. Step 2: Convert to fraction form
    366,466.34/505,751.51 = 230,616.72/x
  3. Step 3: Cross multiply
    366,466.34x = 505,751.51 × 230,616.72
  4. Step 4: Simplify right side
    366,466.34x = 116,634,754,947.79
  5. Step 5: Solve for x
    x = 116,634,754,947.79/366,466.34
  6. Step 6: Final answer
    x = 318,268.67

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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.