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Finding the Fourth Proportional to 264,746.81, 365,352.99 and 143,888.38

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Solution

The fourth proportional to 264,746.81, 365,352.99 and 143,888.38 is: 198,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,746.81 : 365,352.99 = 143,888.38 : x
  2. Step 2: Convert to fraction form
    264,746.81/365,352.99 = 143,888.38/x
  3. Step 3: Cross multiply
    264,746.81x = 365,352.99 × 143,888.38
  4. Step 4: Simplify right side
    264,746.81x = 52,570,051,675.46
  5. Step 5: Solve for x
    x = 52,570,051,675.46/264,746.81
  6. Step 6: Final answer
    x = 198,567.27

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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.