Finding the Fourth Proportional to 345,321.60, 476,542.08 and 194,419.68
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Solution
The fourth proportional to 345,321.60, 476,542.08 and 194,419.68 is: 268,298.19
Step by Step Solution
- Step 1: Write the proportion equation
345,321.60 : 476,542.08 = 194,419.68 : x - Step 2: Convert to fraction form
345,321.60/476,542.08 = 194,419.68/x - Step 3: Cross multiply
345,321.60x = 476,542.08 × 194,419.68 - Step 4: Simplify right side
345,321.60x = 92,649,158,700.13 - Step 5: Solve for x
x = 92,649,158,700.13/345,321.60 - Step 6: Final answer
x = 268,298.19
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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.