Home / 489,311.36-733,968.16-134,330.24

Finding the Fourth Proportional to 489,311.36, 733,968.16 and 134,330.24

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Solution

The fourth proportional to 489,311.36, 733,968.16 and 134,330.24 is: 201,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,311.36 : 733,968.16 = 134,330.24 : x
  2. Step 2: Convert to fraction form
    489,311.36/733,968.16 = 134,330.24/x
  3. Step 3: Cross multiply
    489,311.36x = 733,968.16 × 134,330.24
  4. Step 4: Simplify right side
    489,311.36x = 98,594,119,085.16
  5. Step 5: Solve for x
    x = 98,594,119,085.16/489,311.36
  6. Step 6: Final answer
    x = 201,495.67

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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.