Finding the Fourth Proportional to 875,144.05, 1,312,715.94 and 210,296.05
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Solution
The fourth proportional to 875,144.05, 1,312,715.94 and 210,296.05 is: 315,444.04
Step by Step Solution
- Step 1: Write the proportion equation
875,144.05 : 1,312,715.94 = 210,296.05 : x - Step 2: Convert to fraction form
875,144.05/1,312,715.94 = 210,296.05/x - Step 3: Cross multiply
875,144.05x = 1,312,715.94 × 210,296.05 - Step 4: Simplify right side
875,144.05x = 276,058,976,954.04 - Step 5: Solve for x
x = 276,058,976,954.04/875,144.05 - Step 6: Final answer
x = 315,444.04
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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.