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Finding the Fourth Proportional to 265,886.34, 366,924.27 and 145,030.22

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Solution

The fourth proportional to 265,886.34, 366,924.27 and 145,030.22 is: 200,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,886.34 : 366,924.27 = 145,030.22 : x
  2. Step 2: Convert to fraction form
    265,886.34/366,924.27 = 145,030.22/x
  3. Step 3: Cross multiply
    265,886.34x = 366,924.27 × 145,030.22
  4. Step 4: Simplify right side
    265,886.34x = 53,215,107,601.44
  5. Step 5: Solve for x
    x = 53,215,107,601.44/265,886.34
  6. Step 6: Final answer
    x = 200,142.31

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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.