Finding the Fourth Proportional to 379,958.37, 569,726.95 and 155,476.18
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Solution
The fourth proportional to 379,958.37, 569,726.95 and 155,476.18 is: 233,128.09
Step by Step Solution
- Step 1: Write the proportion equation
379,958.37 : 569,726.95 = 155,476.18 : x - Step 2: Convert to fraction form
379,958.37/569,726.95 = 155,476.18/x - Step 3: Cross multiply
379,958.37x = 569,726.95 × 155,476.18 - Step 4: Simplify right side
379,958.37x = 88,578,969,829.05 - Step 5: Solve for x
x = 88,578,969,829.05/379,958.37 - Step 6: Final answer
x = 233,128.09
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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.