Finding the Fourth Proportional to 74,320.48, 111,497.74 and 32,207.63
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Solution
The fourth proportional to 74,320.48, 111,497.74 and 32,207.63 is: 48,318.82
Step by Step Solution
- Step 1: Write the proportion equation
74,320.48 : 111,497.74 = 32,207.63 : x - Step 2: Convert to fraction form
74,320.48/111,497.74 = 32,207.63/x - Step 3: Cross multiply
74,320.48x = 111,497.74 × 32,207.63 - Step 4: Simplify right side
74,320.48x = 3,591,077,478.79 - Step 5: Solve for x
x = 3,591,077,478.79/74,320.48 - Step 6: Final answer
x = 48,318.82
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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.