Home / 455,438.23-682,288.01-255,152.77

Finding the Fourth Proportional to 455,438.23, 682,288.01 and 255,152.77

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Solution

The fourth proportional to 455,438.23, 682,288.01 and 255,152.77 is: 382,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,438.23 : 682,288.01 = 255,152.77 : x
  2. Step 2: Convert to fraction form
    455,438.23/682,288.01 = 255,152.77/x
  3. Step 3: Cross multiply
    455,438.23x = 682,288.01 × 255,152.77
  4. Step 4: Simplify right side
    455,438.23x = 174,087,673,664.63
  5. Step 5: Solve for x
    x = 174,087,673,664.63/455,438.23
  6. Step 6: Final answer
    x = 382,242.12

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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.