Finding the Fourth Proportional to 755,588.16, 1,133,531.82 and 215,849.09
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Solution
The fourth proportional to 755,588.16, 1,133,531.82 and 215,849.09 is: 323,816.37
Step by Step Solution
- Step 1: Write the proportion equation
755,588.16 : 1,133,531.82 = 215,849.09 : x - Step 2: Convert to fraction form
755,588.16/1,133,531.82 = 215,849.09/x - Step 3: Cross multiply
755,588.16x = 1,133,531.82 × 215,849.09 - Step 4: Simplify right side
755,588.16x = 244,671,814,666.87 - Step 5: Solve for x
x = 244,671,814,666.87/755,588.16 - Step 6: Final answer
x = 323,816.37
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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.