Finding the Fourth Proportional to 109,573.70, 164,294.03 and 42,933.99
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Solution
The fourth proportional to 109,573.70, 164,294.03 and 42,933.99 is: 64,374.92
Step by Step Solution
- Step 1: Write the proportion equation
109,573.70 : 164,294.03 = 42,933.99 : x - Step 2: Convert to fraction form
109,573.70/164,294.03 = 42,933.99/x - Step 3: Cross multiply
109,573.70x = 164,294.03 × 42,933.99 - Step 4: Simplify right side
109,573.70x = 7,053,798,348.41 - Step 5: Solve for x
x = 7,053,798,348.41/109,573.70 - Step 6: Final answer
x = 64,374.92
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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.