Finding the Fourth Proportional to 268,582.05, 370,625.15 and 153,861.14
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Solution
The fourth proportional to 268,582.05, 370,625.15 and 153,861.14 is: 212,318.02
Step by Step Solution
- Step 1: Write the proportion equation
268,582.05 : 370,625.15 = 153,861.14 : x - Step 2: Convert to fraction form
268,582.05/370,625.15 = 153,861.14/x - Step 3: Cross multiply
268,582.05x = 370,625.15 × 153,861.14 - Step 4: Simplify right side
268,582.05x = 57,024,809,402.89 - Step 5: Solve for x
x = 57,024,809,402.89/268,582.05 - Step 6: Final answer
x = 212,318.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.