Finding the Fourth Proportional to 97,709.08, 146,463.99 and 38,511.88
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Solution
The fourth proportional to 97,709.08, 146,463.99 and 38,511.88 is: 57,728.55
Step by Step Solution
- Step 1: Write the proportion equation
97,709.08 : 146,463.99 = 38,511.88 : x - Step 2: Convert to fraction form
97,709.08/146,463.99 = 38,511.88/x - Step 3: Cross multiply
97,709.08x = 146,463.99 × 38,511.88 - Step 4: Simplify right side
97,709.08x = 5,640,603,607.20 - Step 5: Solve for x
x = 5,640,603,607.20/97,709.08 - Step 6: Final answer
x = 57,728.55
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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.