Home / 354,022.20-530,836.50-117,235.74

Finding the Fourth Proportional to 354,022.20, 530,836.50 and 117,235.74

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Solution

The fourth proportional to 354,022.20, 530,836.50 and 117,235.74 is: 175,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,022.20 : 530,836.50 = 117,235.74 : x
  2. Step 2: Convert to fraction form
    354,022.20/530,836.50 = 117,235.74/x
  3. Step 3: Cross multiply
    354,022.20x = 530,836.50 × 117,235.74
  4. Step 4: Simplify right side
    354,022.20x = 62,233,009,896.51
  5. Step 5: Solve for x
    x = 62,233,009,896.51/354,022.20
  6. Step 6: Final answer
    x = 175,788.44

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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.