Finding the Fourth Proportional to 715,638.24, 1,073,191.68 and 210,060
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Solution
The fourth proportional to 715,638.24, 1,073,191.68 and 210,060 is: 315,012.02
Step by Step Solution
- Step 1: Write the proportion equation
715,638.24 : 1,073,191.68 = 210,060 : x - Step 2: Convert to fraction form
715,638.24/1,073,191.68 = 210,060/x - Step 3: Cross multiply
715,638.24x = 1,073,191.68 × 210,060 - Step 4: Simplify right side
715,638.24x = 225,434,644,300.80 - Step 5: Solve for x
x = 225,434,644,300.80/715,638.24 - Step 6: Final answer
x = 315,012.02
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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.