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Finding the Fourth Proportional to 264,312.18, 364,751.16 and 143,453.47

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Solution

The fourth proportional to 264,312.18, 364,751.16 and 143,453.47 is: 197,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,312.18 : 364,751.16 = 143,453.47 : x
  2. Step 2: Convert to fraction form
    264,312.18/364,751.16 = 143,453.47/x
  3. Step 3: Cross multiply
    264,312.18x = 364,751.16 × 143,453.47
  4. Step 4: Simplify right side
    264,312.18x = 52,324,819,588.53
  5. Step 5: Solve for x
    x = 52,324,819,588.53/264,312.18
  6. Step 6: Final answer
    x = 197,965.98

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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.