Home / 338,664.08-507,640.52-113,946.50

Finding the Fourth Proportional to 338,664.08, 507,640.52 and 113,946.50

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Solution

The fourth proportional to 338,664.08, 507,640.52 and 113,946.50 is: 170,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,664.08 : 507,640.52 = 113,946.50 : x
  2. Step 2: Convert to fraction form
    338,664.08/507,640.52 = 113,946.50/x
  3. Step 3: Cross multiply
    338,664.08x = 507,640.52 × 113,946.50
  4. Step 4: Simplify right side
    338,664.08x = 57,843,861,211.55
  5. Step 5: Solve for x
    x = 57,843,861,211.55/338,664.08
  6. Step 6: Final answer
    x = 170,800.11

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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.