Finding the Fourth Proportional to 199,529.49, 275,278.63 and 153,603.18
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Solution
The fourth proportional to 199,529.49, 275,278.63 and 153,603.18 is: 211,916.90
Step by Step Solution
- Step 1: Write the proportion equation
199,529.49 : 275,278.63 = 153,603.18 : x - Step 2: Convert to fraction form
199,529.49/275,278.63 = 153,603.18/x - Step 3: Cross multiply
199,529.49x = 275,278.63 × 153,603.18 - Step 4: Simplify right side
199,529.49x = 42,283,671,847.48 - Step 5: Solve for x
x = 42,283,671,847.48/199,529.49 - Step 6: Final answer
x = 211,916.90
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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.