Home / 455,036.60-682,263.30-188,980.76

Finding the Fourth Proportional to 455,036.60, 682,263.30 and 188,980.76

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Solution

The fourth proportional to 455,036.60, 682,263.30 and 188,980.76 is: 283,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,036.60 : 682,263.30 = 188,980.76 : x
  2. Step 2: Convert to fraction form
    455,036.60/682,263.30 = 188,980.76/x
  3. Step 3: Cross multiply
    455,036.60x = 682,263.30 × 188,980.76
  4. Step 4: Simplify right side
    455,036.60x = 128,934,639,368.44
  5. Step 5: Solve for x
    x = 128,934,639,368.44/455,036.60
  6. Step 6: Final answer
    x = 283,350.04

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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.