Finding the Fourth Proportional to 151,468.08, 209,035.08 and 83,484.96
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Solution
The fourth proportional to 151,468.08, 209,035.08 and 83,484.96 is: 115,214.28
Step by Step Solution
- Step 1: Write the proportion equation
151,468.08 : 209,035.08 = 83,484.96 : x - Step 2: Convert to fraction form
151,468.08/209,035.08 = 83,484.96/x - Step 3: Cross multiply
151,468.08x = 209,035.08 × 83,484.96 - Step 4: Simplify right side
151,468.08x = 17,451,285,292.40 - Step 5: Solve for x
x = 17,451,285,292.40/151,468.08 - Step 6: Final answer
x = 115,214.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.