Finding the Fourth Proportional to 286,413.10, 430,078.65 and 227,736.70
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Solution
The fourth proportional to 286,413.10, 430,078.65 and 227,736.70 is: 341,970.02
Step by Step Solution
- Step 1: Write the proportion equation
286,413.10 : 430,078.65 = 227,736.70 : x - Step 2: Convert to fraction form
286,413.10/430,078.65 = 227,736.70/x - Step 3: Cross multiply
286,413.10x = 430,078.65 × 227,736.70 - Step 4: Simplify right side
286,413.10x = 97,944,692,491.46 - Step 5: Solve for x
x = 97,944,692,491.46/286,413.10 - Step 6: Final answer
x = 341,970.02
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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.