Home / 351,815.04-527,855.40-211,672.08

Finding the Fourth Proportional to 351,815.04, 527,855.40 and 211,672.08

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Solution

The fourth proportional to 351,815.04, 527,855.40 and 211,672.08 is: 317,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,815.04 : 527,855.40 = 211,672.08 : x
  2. Step 2: Convert to fraction form
    351,815.04/527,855.40 = 211,672.08/x
  3. Step 3: Cross multiply
    351,815.04x = 527,855.40 × 211,672.08
  4. Step 4: Simplify right side
    351,815.04x = 111,732,250,457.23
  5. Step 5: Solve for x
    x = 111,732,250,457.23/351,815.04
  6. Step 6: Final answer
    x = 317,588.04

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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.