Finding the Fourth Proportional to 539,663.40, 809,347.32 and 202,677.99
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Solution
The fourth proportional to 539,663.40, 809,347.32 and 202,677.99 is: 303,961.48
Step by Step Solution
- Step 1: Write the proportion equation
539,663.40 : 809,347.32 = 202,677.99 : x - Step 2: Convert to fraction form
539,663.40/809,347.32 = 202,677.99/x - Step 3: Cross multiply
539,663.40x = 809,347.32 × 202,677.99 - Step 4: Simplify right side
539,663.40x = 164,036,888,029.49 - Step 5: Solve for x
x = 164,036,888,029.49/539,663.40 - Step 6: Final answer
x = 303,961.48
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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.