Finding the Fourth Proportional to 232,990.63, 349,428.12 and 99,855.79
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Solution
The fourth proportional to 232,990.63, 349,428.12 and 99,855.79 is: 149,758.90
Step by Step Solution
- Step 1: Write the proportion equation
232,990.63 : 349,428.12 = 99,855.79 : x - Step 2: Convert to fraction form
232,990.63/349,428.12 = 99,855.79/x - Step 3: Cross multiply
232,990.63x = 349,428.12 × 99,855.79 - Step 4: Simplify right side
232,990.63x = 34,892,420,970.81 - Step 5: Solve for x
x = 34,892,420,970.81/232,990.63 - Step 6: Final answer
x = 149,758.90
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1.5x scale
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.