Finding the Fourth Proportional to 112,454.19, 168,678.59 and 36,552.63
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Solution
The fourth proportional to 112,454.19, 168,678.59 and 36,552.63 is: 54,828.07
Step by Step Solution
- Step 1: Write the proportion equation
112,454.19 : 168,678.59 = 36,552.63 : x - Step 2: Convert to fraction form
112,454.19/168,678.59 = 36,552.63/x - Step 3: Cross multiply
112,454.19x = 168,678.59 × 36,552.63 - Step 4: Simplify right side
112,454.19x = 6,165,646,089.19 - Step 5: Solve for x
x = 6,165,646,089.19/112,454.19 - Step 6: Final answer
x = 54,828.07
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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.