Finding the Fourth Proportional to 72,845.62, 109,282.95 and 22,938.28
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Solution
The fourth proportional to 72,845.62, 109,282.95 and 22,938.28 is: 34,411.99
Step by Step Solution
- Step 1: Write the proportion equation
72,845.62 : 109,282.95 = 22,938.28 : x - Step 2: Convert to fraction form
72,845.62/109,282.95 = 22,938.28/x - Step 3: Cross multiply
72,845.62x = 109,282.95 × 22,938.28 - Step 4: Simplify right side
72,845.62x = 2,506,762,906.33 - Step 5: Solve for x
x = 2,506,762,906.33/72,845.62 - Step 6: Final answer
x = 34,411.99
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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.