Home / 455,421.52-682,780.30-171,106.04

Finding the Fourth Proportional to 455,421.52, 682,780.30 and 171,106.04

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Solution

The fourth proportional to 455,421.52, 682,780.30 and 171,106.04 is: 256,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,421.52 : 682,780.30 = 171,106.04 : x
  2. Step 2: Convert to fraction form
    455,421.52/682,780.30 = 171,106.04/x
  3. Step 3: Cross multiply
    455,421.52x = 682,780.30 × 171,106.04
  4. Step 4: Simplify right side
    455,421.52x = 116,827,833,323.01
  5. Step 5: Solve for x
    x = 116,827,833,323.01/455,421.52
  6. Step 6: Final answer
    x = 256,526.82

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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.