Finding the Fourth Proportional to 250,623.99, 345,829.14 and 143,200.98
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Solution
The fourth proportional to 250,623.99, 345,829.14 and 143,200.98 is: 197,599.09
Step by Step Solution
- Step 1: Write the proportion equation
250,623.99 : 345,829.14 = 143,200.98 : x - Step 2: Convert to fraction form
250,623.99/345,829.14 = 143,200.98/x - Step 3: Cross multiply
250,623.99x = 345,829.14 × 143,200.98 - Step 4: Simplify right side
250,623.99x = 49,523,071,760.56 - Step 5: Solve for x
x = 49,523,071,760.56/250,623.99 - Step 6: Final answer
x = 197,599.09
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1.5x scale
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.