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Finding the Fourth Proportional to 308,019.96, 462,029.58 and 224,312.76

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Solution

The fourth proportional to 308,019.96, 462,029.58 and 224,312.76 is: 336,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,019.96 : 462,029.58 = 224,312.76 : x
  2. Step 2: Convert to fraction form
    308,019.96/462,029.58 = 224,312.76/x
  3. Step 3: Cross multiply
    308,019.96x = 462,029.58 × 224,312.76
  4. Step 4: Simplify right side
    308,019.96x = 103,639,130,291.44
  5. Step 5: Solve for x
    x = 103,639,130,291.44/308,019.96
  6. Step 6: Final answer
    x = 336,468.88

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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.