Finding the Fourth Proportional to 257,208.99, 385,813.53 and 107,367.54
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Solution
The fourth proportional to 257,208.99, 385,813.53 and 107,367.54 is: 161,051.33
Step by Step Solution
- Step 1: Write the proportion equation
257,208.99 : 385,813.53 = 107,367.54 : x - Step 2: Convert to fraction form
257,208.99/385,813.53 = 107,367.54/x - Step 3: Cross multiply
257,208.99x = 385,813.53 × 107,367.54 - Step 4: Simplify right side
257,208.99x = 41,423,849,614.82 - Step 5: Solve for x
x = 41,423,849,614.82/257,208.99 - Step 6: Final answer
x = 161,051.33
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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.