Finding the Fourth Proportional to 236,298.05, 354,493.21 and 76,413.70
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Solution
The fourth proportional to 236,298.05, 354,493.21 and 76,413.70 is: 114,635.47
Step by Step Solution
- Step 1: Write the proportion equation
236,298.05 : 354,493.21 = 76,413.70 : x - Step 2: Convert to fraction form
236,298.05/354,493.21 = 76,413.70/x - Step 3: Cross multiply
236,298.05x = 354,493.21 × 76,413.70 - Step 4: Simplify right side
236,298.05x = 27,088,137,800.98 - Step 5: Solve for x
x = 27,088,137,800.98/236,298.05 - Step 6: Final answer
x = 114,635.47
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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.