Finding the Fourth Proportional to 354,802.21, 532,438.36 and 194,989.75
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Solution
The fourth proportional to 354,802.21, 532,438.36 and 194,989.75 is: 292,613.80
Step by Step Solution
- Step 1: Write the proportion equation
354,802.21 : 532,438.36 = 194,989.75 : x - Step 2: Convert to fraction form
354,802.21/532,438.36 = 194,989.75/x - Step 3: Cross multiply
354,802.21x = 532,438.36 × 194,989.75 - Step 4: Simplify right side
354,802.21x = 103,820,022,706.81 - Step 5: Solve for x
x = 103,820,022,706.81/354,802.21 - Step 6: Final answer
x = 292,613.80
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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.