Finding the Fourth Proportional to 152,543.05, 228,812.12 and 47,362.12
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Solution
The fourth proportional to 152,543.05, 228,812.12 and 47,362.12 is: 71,042.42
Step by Step Solution
- Step 1: Write the proportion equation
152,543.05 : 228,812.12 = 47,362.12 : x - Step 2: Convert to fraction form
152,543.05/228,812.12 = 47,362.12/x - Step 3: Cross multiply
152,543.05x = 228,812.12 × 47,362.12 - Step 4: Simplify right side
152,543.05x = 10,837,027,203.30 - Step 5: Solve for x
x = 10,837,027,203.30/152,543.05 - Step 6: Final answer
x = 71,042.42
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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.