Finding the Fourth Proportional to 491,427.77, 737,140.79 and 154,497.87
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Solution
The fourth proportional to 491,427.77, 737,140.79 and 154,497.87 is: 231,746.53
Step by Step Solution
- Step 1: Write the proportion equation
491,427.77 : 737,140.79 = 154,497.87 : x - Step 2: Convert to fraction form
491,427.77/737,140.79 = 154,497.87/x - Step 3: Cross multiply
491,427.77x = 737,140.79 × 154,497.87 - Step 4: Simplify right side
491,427.77x = 113,886,681,172.63 - Step 5: Solve for x
x = 113,886,681,172.63/491,427.77 - Step 6: Final answer
x = 231,746.53
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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.