Home / 455,154.93-682,679.34-286,176.51

Finding the Fourth Proportional to 455,154.93, 682,679.34 and 286,176.51

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Solution

The fourth proportional to 455,154.93, 682,679.34 and 286,176.51 is: 429,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,154.93 : 682,679.34 = 286,176.51 : x
  2. Step 2: Convert to fraction form
    455,154.93/682,679.34 = 286,176.51/x
  3. Step 3: Cross multiply
    455,154.93x = 682,679.34 × 286,176.51
  4. Step 4: Simplify right side
    455,154.93x = 195,366,790,970.30
  5. Step 5: Solve for x
    x = 195,366,790,970.30/455,154.93
  6. Step 6: Final answer
    x = 429,231.41

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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.