Finding the Fourth Proportional to 133,147.53, 199,710.36 and 39,653.28
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Solution
The fourth proportional to 133,147.53, 199,710.36 and 39,653.28 is: 59,476.66
Step by Step Solution
- Step 1: Write the proportion equation
133,147.53 : 199,710.36 = 39,653.28 : x - Step 2: Convert to fraction form
133,147.53/199,710.36 = 39,653.28/x - Step 3: Cross multiply
133,147.53x = 199,710.36 × 39,653.28 - Step 4: Simplify right side
133,147.53x = 7,919,170,823.98 - Step 5: Solve for x
x = 7,919,170,823.98/133,147.53 - Step 6: Final answer
x = 59,476.66
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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.