Finding the Fourth Proportional to 517,328.80, 776,025.96 and 162,356.84
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Solution
The fourth proportional to 517,328.80, 776,025.96 and 162,356.84 is: 243,545.54
Step by Step Solution
- Step 1: Write the proportion equation
517,328.80 : 776,025.96 = 162,356.84 : x - Step 2: Convert to fraction form
517,328.80/776,025.96 = 162,356.84/x - Step 3: Cross multiply
517,328.80x = 776,025.96 × 162,356.84 - Step 4: Simplify right side
517,328.80x = 125,993,122,623.57 - Step 5: Solve for x
x = 125,993,122,623.57/517,328.80 - Step 6: Final answer
x = 243,545.54
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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.