Finding the Fourth Proportional to 299,414,848.80, 448,450,426.80 and 245,667,136.80
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Solution
The fourth proportional to 299,414,848.80, 448,450,426.80 and 245,667,136.80 is: 367,949,461.39
Step by Step Solution
- Step 1: Write the proportion equation
299,414,848.80 : 448,450,426.80 = 245,667,136.80 : x - Step 2: Convert to fraction form
299,414,848.80/448,450,426.80 = 245,667,136.80/x - Step 3: Cross multiply
299,414,848.80x = 448,450,426.80 × 245,667,136.80 - Step 4: Simplify right side
299,414,848.80x = 110,169,532,348,694,000 - Step 5: Solve for x
x = 110,169,532,348,694,000/299,414,848.80 - Step 6: Final answer
x = 367,949,461.39
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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.