Home / 445,367.04-668,280.24-208,733.76

Finding the Fourth Proportional to 445,367.04, 668,280.24 and 208,733.76

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Solution

The fourth proportional to 445,367.04, 668,280.24 and 208,733.76 is: 313,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,367.04 : 668,280.24 = 208,733.76 : x
  2. Step 2: Convert to fraction form
    445,367.04/668,280.24 = 208,733.76/x
  3. Step 3: Cross multiply
    445,367.04x = 668,280.24 × 208,733.76
  4. Step 4: Simplify right side
    445,367.04x = 139,492,647,228.90
  5. Step 5: Solve for x
    x = 139,492,647,228.90/445,367.04
  6. Step 6: Final answer
    x = 313,208.29

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1.5x scale

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.