Finding the Fourth Proportional to 299,163.08, 448,692.78 and 77,547.08
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Solution
The fourth proportional to 299,163.08, 448,692.78 and 77,547.08 is: 116,307.18
Step by Step Solution
- Step 1: Write the proportion equation
299,163.08 : 448,692.78 = 77,547.08 : x - Step 2: Convert to fraction form
299,163.08/448,692.78 = 77,547.08/x - Step 3: Cross multiply
299,163.08x = 448,692.78 × 77,547.08 - Step 4: Simplify right side
299,163.08x = 34,794,814,906.08 - Step 5: Solve for x
x = 34,794,814,906.08/299,163.08 - Step 6: Final answer
x = 116,307.18
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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.