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Finding the Fourth Proportional to 265,144.61, 365,907.32 and 144,293.72

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Solution

The fourth proportional to 265,144.61, 365,907.32 and 144,293.72 is: 199,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,144.61 : 365,907.32 = 144,293.72 : x
  2. Step 2: Convert to fraction form
    265,144.61/365,907.32 = 144,293.72/x
  3. Step 3: Cross multiply
    265,144.61x = 365,907.32 × 144,293.72
  4. Step 4: Simplify right side
    265,144.61x = 52,798,125,827.03
  5. Step 5: Solve for x
    x = 52,798,125,827.03/265,144.61
  6. Step 6: Final answer
    x = 199,129.55

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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.