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Finding the Fourth Proportional to 265,445.25, 366,314.45 and 152,304.45

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Solution

The fourth proportional to 265,445.25, 366,314.45 and 152,304.45 is: 210,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,445.25 : 366,314.45 = 152,304.45 : x
  2. Step 2: Convert to fraction form
    265,445.25/366,314.45 = 152,304.45/x
  3. Step 3: Cross multiply
    265,445.25x = 366,314.45 × 152,304.45
  4. Step 4: Simplify right side
    265,445.25x = 55,791,320,072.78
  5. Step 5: Solve for x
    x = 55,791,320,072.78/265,445.25
  6. Step 6: Final answer
    x = 210,180.14

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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.