Finding the Fourth Proportional to 161,891.52, 242,689.36 and 56,653.08
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Solution
The fourth proportional to 161,891.52, 242,689.36 and 56,653.08 is: 84,927.86
Step by Step Solution
- Step 1: Write the proportion equation
161,891.52 : 242,689.36 = 56,653.08 : x - Step 2: Convert to fraction form
161,891.52/242,689.36 = 56,653.08/x - Step 3: Cross multiply
161,891.52x = 242,689.36 × 56,653.08 - Step 4: Simplify right side
161,891.52x = 13,749,099,727.23 - Step 5: Solve for x
x = 13,749,099,727.23/161,891.52 - Step 6: Final answer
x = 84,927.86
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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.