Home / 289,148.22-433,228.78-204,768.19

Finding the Fourth Proportional to 289,148.22, 433,228.78 and 204,768.19

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Solution

The fourth proportional to 289,148.22, 433,228.78 and 204,768.19 is: 306,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,148.22 : 433,228.78 = 204,768.19 : x
  2. Step 2: Convert to fraction form
    289,148.22/433,228.78 = 204,768.19/x
  3. Step 3: Cross multiply
    289,148.22x = 433,228.78 × 204,768.19
  4. Step 4: Simplify right side
    289,148.22x = 88,711,473,136.51
  5. Step 5: Solve for x
    x = 88,711,473,136.51/289,148.22
  6. Step 6: Final answer
    x = 306,802.76

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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.