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Finding the Fourth Proportional to 265,428.66, 366,293.88 and 144,570.48

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Solution

The fourth proportional to 265,428.66, 366,293.88 and 144,570.48 is: 199,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,428.66 : 366,293.88 = 144,570.48 : x
  2. Step 2: Convert to fraction form
    265,428.66/366,293.88 = 144,570.48/x
  3. Step 3: Cross multiply
    265,428.66x = 366,293.88 × 144,570.48
  4. Step 4: Simplify right side
    265,428.66x = 52,955,282,052.66
  5. Step 5: Solve for x
    x = 52,955,282,052.66/265,428.66
  6. Step 6: Final answer
    x = 199,508.53

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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.