Home / 340,631.58-470,071.71-197,474.61

Finding the Fourth Proportional to 340,631.58, 470,071.71 and 197,474.61

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Solution

The fourth proportional to 340,631.58, 470,071.71 and 197,474.61 is: 272,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,631.58 : 470,071.71 = 197,474.61 : x
  2. Step 2: Convert to fraction form
    340,631.58/470,071.71 = 197,474.61/x
  3. Step 3: Cross multiply
    340,631.58x = 470,071.71 × 197,474.61
  4. Step 4: Simplify right side
    340,631.58x = 92,827,227,604.28
  5. Step 5: Solve for x
    x = 92,827,227,604.28/340,631.58
  6. Step 6: Final answer
    x = 272,515.04

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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.