Finding the Fourth Proportional to 285,608.99, 428,670.45 and 152,602.94
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Solution
The fourth proportional to 285,608.99, 428,670.45 and 152,602.94 is: 229,041.70
Step by Step Solution
- Step 1: Write the proportion equation
285,608.99 : 428,670.45 = 152,602.94 : x - Step 2: Convert to fraction form
285,608.99/428,670.45 = 152,602.94/x - Step 3: Cross multiply
285,608.99x = 428,670.45 × 152,602.94 - Step 4: Simplify right side
285,608.99x = 65,416,368,817.77 - Step 5: Solve for x
x = 65,416,368,817.77/285,608.99 - Step 6: Final answer
x = 229,041.70
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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.