Finding the Fourth Proportional to 372,693.12, 514,322.73 and 211,553.12
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Solution
The fourth proportional to 372,693.12, 514,322.73 and 211,553.12 is: 291,946.84
Step by Step Solution
- Step 1: Write the proportion equation
372,693.12 : 514,322.73 = 211,553.12 : x - Step 2: Convert to fraction form
372,693.12/514,322.73 = 211,553.12/x - Step 3: Cross multiply
372,693.12x = 514,322.73 × 211,553.12 - Step 4: Simplify right side
372,693.12x = 108,806,578,218.42 - Step 5: Solve for x
x = 108,806,578,218.42/372,693.12 - Step 6: Final answer
x = 291,946.84
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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.