Finding the Fourth Proportional to 745,572.75, 1,118,358.75 and 213,093.99
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Solution
The fourth proportional to 745,572.75, 1,118,358.75 and 213,093.99 is: 319,640.88
Step by Step Solution
- Step 1: Write the proportion equation
745,572.75 : 1,118,358.75 = 213,093.99 : x - Step 2: Convert to fraction form
745,572.75/1,118,358.75 = 213,093.99/x - Step 3: Cross multiply
745,572.75x = 1,118,358.75 × 213,093.99 - Step 4: Simplify right side
745,572.75x = 238,315,527,889.36 - Step 5: Solve for x
x = 238,315,527,889.36/745,572.75 - Step 6: Final answer
x = 319,640.88
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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.