Finding the Fourth Proportional to 156,826.49, 216,413.51 and 88,842.08
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Solution
The fourth proportional to 156,826.49, 216,413.51 and 88,842.08 is: 122,598.07
Step by Step Solution
- Step 1: Write the proportion equation
156,826.49 : 216,413.51 = 88,842.08 : x - Step 2: Convert to fraction form
156,826.49/216,413.51 = 88,842.08/x - Step 3: Cross multiply
156,826.49x = 216,413.51 × 88,842.08 - Step 4: Simplify right side
156,826.49x = 19,226,624,842.22 - Step 5: Solve for x
x = 19,226,624,842.22/156,826.49 - Step 6: Final answer
x = 122,598.07
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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.