Finding the Fourth Proportional to 539,625.50, 809,477.49 and 207,201.50
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Solution
The fourth proportional to 539,625.50, 809,477.49 and 207,201.50 is: 310,817.32
Step by Step Solution
- Step 1: Write the proportion equation
539,625.50 : 809,477.49 = 207,201.50 : x - Step 2: Convert to fraction form
539,625.50/809,477.49 = 207,201.50/x - Step 3: Cross multiply
539,625.50x = 809,477.49 × 207,201.50 - Step 4: Simplify right side
539,625.50x = 167,724,950,144.24 - Step 5: Solve for x
x = 167,724,950,144.24/539,625.50 - Step 6: Final answer
x = 310,817.32
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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.