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Finding the Fourth Proportional to 343,490.64, 473,927.40 and 198,260.88

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Solution

The fourth proportional to 343,490.64, 473,927.40 and 198,260.88 is: 273,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,490.64 : 473,927.40 = 198,260.88 : x
  2. Step 2: Convert to fraction form
    343,490.64/473,927.40 = 198,260.88/x
  3. Step 3: Cross multiply
    343,490.64x = 473,927.40 × 198,260.88
  4. Step 4: Simplify right side
    343,490.64x = 93,961,263,380.11
  5. Step 5: Solve for x
    x = 93,961,263,380.11/343,490.64
  6. Step 6: Final answer
    x = 273,548.25

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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.