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Finding the Fourth Proportional to 252,182.66, 348,009.84 and 137,461.32

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Solution

The fourth proportional to 252,182.66, 348,009.84 and 137,461.32 is: 189,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,182.66 : 348,009.84 = 137,461.32 : x
  2. Step 2: Convert to fraction form
    252,182.66/348,009.84 = 137,461.32/x
  3. Step 3: Cross multiply
    252,182.66x = 348,009.84 × 137,461.32
  4. Step 4: Simplify right side
    252,182.66x = 47,837,891,979.39
  5. Step 5: Solve for x
    x = 47,837,891,979.39/252,182.66
  6. Step 6: Final answer
    x = 189,695.41

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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.