Finding the Fourth Proportional to 419,754.96, 579,277.47 and 238,497.62
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Solution
The fourth proportional to 419,754.96, 579,277.47 and 238,497.62 is: 329,135.59
Step by Step Solution
- Step 1: Write the proportion equation
419,754.96 : 579,277.47 = 238,497.62 : x - Step 2: Convert to fraction form
419,754.96/579,277.47 = 238,497.62/x - Step 3: Cross multiply
419,754.96x = 579,277.47 × 238,497.62 - Step 4: Simplify right side
419,754.96x = 138,156,295,018.23 - Step 5: Solve for x
x = 138,156,295,018.23/419,754.96 - Step 6: Final answer
x = 329,135.59
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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.