Home / 346,724.40-520,086.60-197,425.20

Finding the Fourth Proportional to 346,724.40, 520,086.60 and 197,425.20

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Solution

The fourth proportional to 346,724.40, 520,086.60 and 197,425.20 is: 296,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.40 : 520,086.60 = 197,425.20 : x
  2. Step 2: Convert to fraction form
    346,724.40/520,086.60 = 197,425.20/x
  3. Step 3: Cross multiply
    346,724.40x = 520,086.60 × 197,425.20
  4. Step 4: Simplify right side
    346,724.40x = 102,678,201,022.32
  5. Step 5: Solve for x
    x = 102,678,201,022.32/346,724.40
  6. Step 6: Final answer
    x = 296,137.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.