Finding the Fourth Proportional to 636,728.05, 954,970.12 and 247,234.42
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Solution
The fourth proportional to 636,728.05, 954,970.12 and 247,234.42 is: 370,804.28
Step by Step Solution
- Step 1: Write the proportion equation
636,728.05 : 954,970.12 = 247,234.42 : x - Step 2: Convert to fraction form
636,728.05/954,970.12 = 247,234.42/x - Step 3: Cross multiply
636,728.05x = 954,970.12 × 247,234.42 - Step 4: Simplify right side
636,728.05x = 236,101,483,735.53 - Step 5: Solve for x
x = 236,101,483,735.53/636,728.05 - Step 6: Final answer
x = 370,804.28
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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.