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Finding the Fourth Proportional to 265,313.63, 366,130.44 and 144,454.61

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Solution

The fourth proportional to 265,313.63, 366,130.44 and 144,454.61 is: 199,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,313.63 : 366,130.44 = 144,454.61 : x
  2. Step 2: Convert to fraction form
    265,313.63/366,130.44 = 144,454.61/x
  3. Step 3: Cross multiply
    265,313.63x = 366,130.44 × 144,454.61
  4. Step 4: Simplify right side
    265,313.63x = 52,889,228,088.68
  5. Step 5: Solve for x
    x = 52,889,228,088.68/265,313.63
  6. Step 6: Final answer
    x = 199,346.07

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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.