Home / 340,821.60-470,368.80-204,899.82

Finding the Fourth Proportional to 340,821.60, 470,368.80 and 204,899.82

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Solution

The fourth proportional to 340,821.60, 470,368.80 and 204,899.82 is: 282,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,821.60 : 470,368.80 = 204,899.82 : x
  2. Step 2: Convert to fraction form
    340,821.60/470,368.80 = 204,899.82/x
  3. Step 3: Cross multiply
    340,821.60x = 470,368.80 × 204,899.82
  4. Step 4: Simplify right side
    340,821.60x = 96,378,482,453.62
  5. Step 5: Solve for x
    x = 96,378,482,453.62/340,821.60
  6. Step 6: Final answer
    x = 282,782.79

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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.