Home / 346,631.20-520,092.60-188,972.80

Finding the Fourth Proportional to 346,631.20, 520,092.60 and 188,972.80

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Solution

The fourth proportional to 346,631.20, 520,092.60 and 188,972.80 is: 283,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,631.20 : 520,092.60 = 188,972.80 : x
  2. Step 2: Convert to fraction form
    346,631.20/520,092.60 = 188,972.80/x
  3. Step 3: Cross multiply
    346,631.20x = 520,092.60 × 188,972.80
  4. Step 4: Simplify right side
    346,631.20x = 98,283,354,881.28
  5. Step 5: Solve for x
    x = 98,283,354,881.28/346,631.20
  6. Step 6: Final answer
    x = 283,538.69

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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.