Finding the Fourth Proportional to 491,897.75, 738,267.19 and 192,588.53
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Solution
The fourth proportional to 491,897.75, 738,267.19 and 192,588.53 is: 289,047.45
Step by Step Solution
- Step 1: Write the proportion equation
491,897.75 : 738,267.19 = 192,588.53 : x - Step 2: Convert to fraction form
491,897.75/738,267.19 = 192,588.53/x - Step 3: Cross multiply
491,897.75x = 738,267.19 × 192,588.53 - Step 4: Simplify right side
491,897.75x = 142,181,788,696.52 - Step 5: Solve for x
x = 142,181,788,696.52/491,897.75 - Step 6: Final answer
x = 289,047.45
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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.