Home / 536,835.92-804,663.38-221,120.60

Finding the Fourth Proportional to 536,835.92, 804,663.38 and 221,120.60

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Solution

The fourth proportional to 536,835.92, 804,663.38 and 221,120.60 is: 331,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,835.92 : 804,663.38 = 221,120.60 : x
  2. Step 2: Convert to fraction form
    536,835.92/804,663.38 = 221,120.60/x
  3. Step 3: Cross multiply
    536,835.92x = 804,663.38 × 221,120.60
  4. Step 4: Simplify right side
    536,835.92x = 177,927,644,254.71
  5. Step 5: Solve for x
    x = 177,927,644,254.71/536,835.92
  6. Step 6: Final answer
    x = 331,437.67

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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.