Finding the Fourth Proportional to 691,703.68, 1,037,468.16 and 186,304.96
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Solution
The fourth proportional to 691,703.68, 1,037,468.16 and 186,304.96 is: 279,433.91
Step by Step Solution
- Step 1: Write the proportion equation
691,703.68 : 1,037,468.16 = 186,304.96 : x - Step 2: Convert to fraction form
691,703.68/1,037,468.16 = 186,304.96/x - Step 3: Cross multiply
691,703.68x = 1,037,468.16 × 186,304.96 - Step 4: Simplify right side
691,703.68x = 193,285,464,050.07 - Step 5: Solve for x
x = 193,285,464,050.07/691,703.68 - Step 6: Final answer
x = 279,433.91
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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.