Home / 445,298.07-668,176.74-208,664.67

Finding the Fourth Proportional to 445,298.07, 668,176.74 and 208,664.67

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Solution

The fourth proportional to 445,298.07, 668,176.74 and 208,664.67 is: 313,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,298.07 : 668,176.74 = 208,664.67 : x
  2. Step 2: Convert to fraction form
    445,298.07/668,176.74 = 208,664.67/x
  3. Step 3: Cross multiply
    445,298.07x = 668,176.74 × 208,664.67
  4. Step 4: Simplify right side
    445,298.07x = 139,424,878,953.78
  5. Step 5: Solve for x
    x = 139,424,878,953.78/445,298.07
  6. Step 6: Final answer
    x = 313,104.61

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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.