Finding the Fourth Proportional to 99,583.70, 149,371.95 and 40,417.70
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Solution
The fourth proportional to 99,583.70, 149,371.95 and 40,417.70 is: 60,625.09
Step by Step Solution
- Step 1: Write the proportion equation
99,583.70 : 149,371.95 = 40,417.70 : x - Step 2: Convert to fraction form
99,583.70/149,371.95 = 40,417.70/x - Step 3: Cross multiply
99,583.70x = 149,371.95 × 40,417.70 - Step 4: Simplify right side
99,583.70x = 6,037,270,663.52 - Step 5: Solve for x
x = 6,037,270,663.52/99,583.70 - Step 6: Final answer
x = 60,625.09
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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.