Finding the Fourth Proportional to 194,521.42, 268,434.21 and 108,483.02
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Solution
The fourth proportional to 194,521.42, 268,434.21 and 108,483.02 is: 149,703.58
Step by Step Solution
- Step 1: Write the proportion equation
194,521.42 : 268,434.21 = 108,483.02 : x - Step 2: Convert to fraction form
194,521.42/268,434.21 = 108,483.02/x - Step 3: Cross multiply
194,521.42x = 268,434.21 × 108,483.02 - Step 4: Simplify right side
194,521.42x = 29,120,552,429.94 - Step 5: Solve for x
x = 29,120,552,429.94/194,521.42 - Step 6: Final answer
x = 149,703.58
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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.