Home / 536,845.86-804,678.29-221,130.54

Finding the Fourth Proportional to 536,845.86, 804,678.29 and 221,130.54

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Solution

The fourth proportional to 536,845.86, 804,678.29 and 221,130.54 is: 331,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,845.86 : 804,678.29 = 221,130.54 : x
  2. Step 2: Convert to fraction form
    536,845.86/804,678.29 = 221,130.54/x
  3. Step 3: Cross multiply
    536,845.86x = 804,678.29 × 221,130.54
  4. Step 4: Simplify right side
    536,845.86x = 177,938,943,688.32
  5. Step 5: Solve for x
    x = 177,938,943,688.32/536,845.86
  6. Step 6: Final answer
    x = 331,452.58

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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.