Finding the Fourth Proportional to 163,345.19, 244,689.75 and 74,476.46
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Solution
The fourth proportional to 163,345.19, 244,689.75 and 74,476.46 is: 111,565.12
Step by Step Solution
- Step 1: Write the proportion equation
163,345.19 : 244,689.75 = 74,476.46 : x - Step 2: Convert to fraction form
163,345.19/244,689.75 = 74,476.46/x - Step 3: Cross multiply
163,345.19x = 244,689.75 × 74,476.46 - Step 4: Simplify right side
163,345.19x = 18,223,626,378.29 - Step 5: Solve for x
x = 18,223,626,378.29/163,345.19 - Step 6: Final answer
x = 111,565.12
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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.