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Finding the Fourth Proportional to 308,048.60, 462,072.90 and 303,901.40

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Solution

The fourth proportional to 308,048.60, 462,072.90 and 303,901.40 is: 455,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,048.60 : 462,072.90 = 303,901.40 : x
  2. Step 2: Convert to fraction form
    308,048.60/462,072.90 = 303,901.40/x
  3. Step 3: Cross multiply
    308,048.60x = 462,072.90 × 303,901.40
  4. Step 4: Simplify right side
    308,048.60x = 140,424,601,212.06
  5. Step 5: Solve for x
    x = 140,424,601,212.06/308,048.60
  6. Step 6: Final answer
    x = 455,852.10

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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.