Home / 346,911.03-478,817.24-225,841.50

Finding the Fourth Proportional to 346,911.03, 478,817.24 and 225,841.50

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Solution

The fourth proportional to 346,911.03, 478,817.24 and 225,841.50 is: 311,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,911.03 : 478,817.24 = 225,841.50 : x
  2. Step 2: Convert to fraction form
    346,911.03/478,817.24 = 225,841.50/x
  3. Step 3: Cross multiply
    346,911.03x = 478,817.24 × 225,841.50
  4. Step 4: Simplify right side
    346,911.03x = 108,136,802,578.25
  5. Step 5: Solve for x
    x = 108,136,802,578.25/346,911.03
  6. Step 6: Final answer
    x = 311,713.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.