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Finding the Fourth Proportional to 608,175.88, 912,176.94 and 208,809.16

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Solution

The fourth proportional to 608,175.88, 912,176.94 and 208,809.16 is: 313,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,175.88 : 912,176.94 = 208,809.16 : x
  2. Step 2: Convert to fraction form
    608,175.88/912,176.94 = 208,809.16/x
  3. Step 3: Cross multiply
    608,175.88x = 912,176.94 × 208,809.16
  4. Step 4: Simplify right side
    608,175.88x = 190,470,900,612.77
  5. Step 5: Solve for x
    x = 190,470,900,612.77/608,175.88
  6. Step 6: Final answer
    x = 313,183.91

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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.