Finding the Fourth Proportional to 74,838.63, 112,238.76 and 22,235.82
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Solution
The fourth proportional to 74,838.63, 112,238.76 and 22,235.82 is: 33,348.03
Step by Step Solution
- Step 1: Write the proportion equation
74,838.63 : 112,238.76 = 22,235.82 : x - Step 2: Convert to fraction form
74,838.63/112,238.76 = 22,235.82/x - Step 3: Cross multiply
74,838.63x = 112,238.76 × 22,235.82 - Step 4: Simplify right side
74,838.63x = 2,495,720,864.38 - Step 5: Solve for x
x = 2,495,720,864.38/74,838.63 - Step 6: Final answer
x = 33,348.03
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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.