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Finding the Fourth Proportional to 308,924.80, 462,592.32 and 214,020.16

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Solution

The fourth proportional to 308,924.80, 462,592.32 and 214,020.16 is: 320,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,924.80 : 462,592.32 = 214,020.16 : x
  2. Step 2: Convert to fraction form
    308,924.80/462,592.32 = 214,020.16/x
  3. Step 3: Cross multiply
    308,924.80x = 462,592.32 × 214,020.16
  4. Step 4: Simplify right side
    308,924.80x = 99,004,082,341.17
  5. Step 5: Solve for x
    x = 99,004,082,341.17/308,924.80
  6. Step 6: Final answer
    x = 320,479.55

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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.