Finding the Fourth Proportional to 250,350.99, 345,484.58 and 137,173.74
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Solution
The fourth proportional to 250,350.99, 345,484.58 and 137,173.74 is: 189,299.88
Step by Step Solution
- Step 1: Write the proportion equation
250,350.99 : 345,484.58 = 137,173.74 : x - Step 2: Convert to fraction form
250,350.99/345,484.58 = 137,173.74/x - Step 3: Cross multiply
250,350.99x = 345,484.58 × 137,173.74 - Step 4: Simplify right side
250,350.99x = 47,391,411,950.93 - Step 5: Solve for x
x = 47,391,411,950.93/250,350.99 - Step 6: Final answer
x = 189,299.88
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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.