Home / 346,928.60-520,394.52-147,198.80

Finding the Fourth Proportional to 346,928.60, 520,394.52 and 147,198.80

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Solution

The fourth proportional to 346,928.60, 520,394.52 and 147,198.80 is: 220,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,928.60 : 520,394.52 = 147,198.80 : x
  2. Step 2: Convert to fraction form
    346,928.60/520,394.52 = 147,198.80/x
  3. Step 3: Cross multiply
    346,928.60x = 520,394.52 × 147,198.80
  4. Step 4: Simplify right side
    346,928.60x = 76,601,448,870.58
  5. Step 5: Solve for x
    x = 76,601,448,870.58/346,928.60
  6. Step 6: Final answer
    x = 220,798.89

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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.