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Finding the Fourth Proportional to 264,293.88, 364,725.74 and 143,435.13

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Solution

The fourth proportional to 264,293.88, 364,725.74 and 143,435.13 is: 197,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,293.88 : 364,725.74 = 143,435.13 : x
  2. Step 2: Convert to fraction form
    264,293.88/364,725.74 = 143,435.13/x
  3. Step 3: Cross multiply
    264,293.88x = 364,725.74 × 143,435.13
  4. Step 4: Simplify right side
    264,293.88x = 52,314,483,931.25
  5. Step 5: Solve for x
    x = 52,314,483,931.25/264,293.88
  6. Step 6: Final answer
    x = 197,940.58

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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.