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Finding the Fourth Proportional to 264,429.54, 364,911.60 and 143,569.84

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Solution

The fourth proportional to 264,429.54, 364,911.60 and 143,569.84 is: 198,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,429.54 : 364,911.60 = 143,569.84 : x
  2. Step 2: Convert to fraction form
    264,429.54/364,911.60 = 143,569.84/x
  3. Step 3: Cross multiply
    264,429.54x = 364,911.60 × 143,569.84
  4. Step 4: Simplify right side
    264,429.54x = 52,390,300,026.14
  5. Step 5: Solve for x
    x = 52,390,300,026.14/264,429.54
  6. Step 6: Final answer
    x = 198,125.75

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1.5x scale

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.