Finding the Fourth Proportional to 266,888.99, 399,890.60 and 187,837.14
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Solution
The fourth proportional to 266,888.99, 399,890.60 and 187,837.14 is: 281,444.01
Step by Step Solution
- Step 1: Write the proportion equation
266,888.99 : 399,890.60 = 187,837.14 : x - Step 2: Convert to fraction form
266,888.99/399,890.60 = 187,837.14/x - Step 3: Cross multiply
266,888.99x = 399,890.60 × 187,837.14 - Step 4: Simplify right side
266,888.99x = 75,114,306,616.88 - Step 5: Solve for x
x = 75,114,306,616.88/266,888.99 - Step 6: Final answer
x = 281,444.01
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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.