Finding the Fourth Proportional to 152,308.22, 210,244.21 and 136,364.99
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Solution
The fourth proportional to 152,308.22, 210,244.21 and 136,364.99 is: 188,236.39
Step by Step Solution
- Step 1: Write the proportion equation
152,308.22 : 210,244.21 = 136,364.99 : x - Step 2: Convert to fraction form
152,308.22/210,244.21 = 136,364.99/x - Step 3: Cross multiply
152,308.22x = 210,244.21 × 136,364.99 - Step 4: Simplify right side
152,308.22x = 28,669,948,202.07 - Step 5: Solve for x
x = 28,669,948,202.07/152,308.22 - Step 6: Final answer
x = 188,236.39
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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.