Home / 304,729.64-420,387.32-197,334.26

Finding the Fourth Proportional to 304,729.64, 420,387.32 and 197,334.26

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Solution

The fourth proportional to 304,729.64, 420,387.32 and 197,334.26 is: 272,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,729.64 : 420,387.32 = 197,334.26 : x
  2. Step 2: Convert to fraction form
    304,729.64/420,387.32 = 197,334.26/x
  3. Step 3: Cross multiply
    304,729.64x = 420,387.32 × 197,334.26
  4. Step 4: Simplify right side
    304,729.64x = 82,956,820,705.58
  5. Step 5: Solve for x
    x = 82,956,820,705.58/304,729.64
  6. Step 6: Final answer
    x = 272,230.89

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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.