Finding the Fourth Proportional to 372,619.24, 514,146.84 and 211,481.08
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Solution
The fourth proportional to 372,619.24, 514,146.84 and 211,481.08 is: 291,805.46
Step by Step Solution
- Step 1: Write the proportion equation
372,619.24 : 514,146.84 = 211,481.08 : x - Step 2: Convert to fraction form
372,619.24/514,146.84 = 211,481.08/x - Step 3: Cross multiply
372,619.24x = 514,146.84 × 211,481.08 - Step 4: Simplify right side
372,619.24x = 108,732,329,001.79 - Step 5: Solve for x
x = 108,732,329,001.79/372,619.24 - Step 6: Final answer
x = 291,805.46
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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.