Finding the Fourth Proportional to 299,363.21, 448,723.44 and 149,307.06
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Solution
The fourth proportional to 299,363.21, 448,723.44 and 149,307.06 is: 223,800.30
Step by Step Solution
- Step 1: Write the proportion equation
299,363.21 : 448,723.44 = 149,307.06 : x - Step 2: Convert to fraction form
299,363.21/448,723.44 = 149,307.06/x - Step 3: Cross multiply
299,363.21x = 448,723.44 × 149,307.06 - Step 4: Simplify right side
299,363.21x = 66,997,577,579.49 - Step 5: Solve for x
x = 66,997,577,579.49/299,363.21 - Step 6: Final answer
x = 223,800.30
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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.