Home / 223,619.60-335,429.40-130,307.60

Finding the Fourth Proportional to 223,619.60, 335,429.40 and 130,307.60

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Solution

The fourth proportional to 223,619.60, 335,429.40 and 130,307.60 is: 195,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,619.60 : 335,429.40 = 130,307.60 : x
  2. Step 2: Convert to fraction form
    223,619.60/335,429.40 = 130,307.60/x
  3. Step 3: Cross multiply
    223,619.60x = 335,429.40 × 130,307.60
  4. Step 4: Simplify right side
    223,619.60x = 43,709,000,083.44
  5. Step 5: Solve for x
    x = 43,709,000,083.44/223,619.60
  6. Step 6: Final answer
    x = 195,461.40

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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.