Home / 489,219.08-733,749.90-134,150.72

Finding the Fourth Proportional to 489,219.08, 733,749.90 and 134,150.72

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Solution

The fourth proportional to 489,219.08, 733,749.90 and 134,150.72 is: 201,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,219.08 : 733,749.90 = 134,150.72 : x
  2. Step 2: Convert to fraction form
    489,219.08/733,749.90 = 134,150.72/x
  3. Step 3: Cross multiply
    489,219.08x = 733,749.90 × 134,150.72
  4. Step 4: Simplify right side
    489,219.08x = 98,433,077,384.93
  5. Step 5: Solve for x
    x = 98,433,077,384.93/489,219.08
  6. Step 6: Final answer
    x = 201,204.49

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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.