Home / 455,386.84-683,091.19-155,865.44

Finding the Fourth Proportional to 455,386.84, 683,091.19 and 155,865.44

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Solution

The fourth proportional to 455,386.84, 683,091.19 and 155,865.44 is: 233,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,386.84 : 683,091.19 = 155,865.44 : x
  2. Step 2: Convert to fraction form
    455,386.84/683,091.19 = 155,865.44/x
  3. Step 3: Cross multiply
    455,386.84x = 683,091.19 × 155,865.44
  4. Step 4: Simplify right side
    455,386.84x = 106,470,308,889.47
  5. Step 5: Solve for x
    x = 106,470,308,889.47/455,386.84
  6. Step 6: Final answer
    x = 233,801.90

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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.