Finding the Fourth Proportional to 190,374.53, 285,487.97 and 101,579.59
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Solution
The fourth proportional to 190,374.53, 285,487.97 and 101,579.59 is: 152,329.99
Step by Step Solution
- Step 1: Write the proportion equation
190,374.53 : 285,487.97 = 101,579.59 : x - Step 2: Convert to fraction form
190,374.53/285,487.97 = 101,579.59/x - Step 3: Cross multiply
190,374.53x = 285,487.97 × 101,579.59 - Step 4: Simplify right side
190,374.53x = 28,999,750,942.53 - Step 5: Solve for x
x = 28,999,750,942.53/190,374.53 - Step 6: Final answer
x = 152,329.99
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1.5x scale
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.