Finding the Fourth Proportional to 151,655.79, 209,282.99 and 83,675.63
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Solution
The fourth proportional to 151,655.79, 209,282.99 and 83,675.63 is: 115,471.27
Step by Step Solution
- Step 1: Write the proportion equation
151,655.79 : 209,282.99 = 83,675.63 : x - Step 2: Convert to fraction form
151,655.79/209,282.99 = 83,675.63/x - Step 3: Cross multiply
151,655.79x = 209,282.99 × 83,675.63 - Step 4: Simplify right side
151,655.79x = 17,511,886,612.04 - Step 5: Solve for x
x = 17,511,886,612.04/151,655.79 - Step 6: Final answer
x = 115,471.27
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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.