Finding the Fourth Proportional to 134,772.30, 202,158.45 and 124,274.70
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Solution
The fourth proportional to 134,772.30, 202,158.45 and 124,274.70 is: 186,412.05
Step by Step Solution
- Step 1: Write the proportion equation
134,772.30 : 202,158.45 = 124,274.70 : x - Step 2: Convert to fraction form
134,772.30/202,158.45 = 124,274.70/x - Step 3: Cross multiply
134,772.30x = 202,158.45 × 124,274.70 - Step 4: Simplify right side
134,772.30x = 25,123,180,726.22 - Step 5: Solve for x
x = 25,123,180,726.22/134,772.30 - Step 6: Final answer
x = 186,412.05
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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.