Finding the Fourth Proportional to 355,989.18, 534,063.74 and 119,325.80
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Solution
The fourth proportional to 355,989.18, 534,063.74 and 119,325.80 is: 179,015.51
Step by Step Solution
- Step 1: Write the proportion equation
355,989.18 : 534,063.74 = 119,325.80 : x - Step 2: Convert to fraction form
355,989.18/534,063.74 = 119,325.80/x - Step 3: Cross multiply
355,989.18x = 534,063.74 × 119,325.80 - Step 4: Simplify right side
355,989.18x = 63,727,583,026.49 - Step 5: Solve for x
x = 63,727,583,026.49/355,989.18 - Step 6: Final answer
x = 179,015.51
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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.