Finding the Fourth Proportional to 100,947.33, 151,428.29 and 40,946.99
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Solution
The fourth proportional to 100,947.33, 151,428.29 and 40,946.99 is: 61,423.43
Step by Step Solution
- Step 1: Write the proportion equation
100,947.33 : 151,428.29 = 40,946.99 : x - Step 2: Convert to fraction form
100,947.33/151,428.29 = 40,946.99/x - Step 3: Cross multiply
100,947.33x = 151,428.29 × 40,946.99 - Step 4: Simplify right side
100,947.33x = 6,200,531,714.47 - Step 5: Solve for x
x = 6,200,531,714.47/100,947.33 - Step 6: Final answer
x = 61,423.43
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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.