Finding the Fourth Proportional to 318,117.42, 476,137.62 and 233,855.28
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Solution
The fourth proportional to 318,117.42, 476,137.62 and 233,855.28 is: 350,019.49
Step by Step Solution
- Step 1: Write the proportion equation
318,117.42 : 476,137.62 = 233,855.28 : x - Step 2: Convert to fraction form
318,117.42/476,137.62 = 233,855.28/x - Step 3: Cross multiply
318,117.42x = 476,137.62 × 233,855.28 - Step 4: Simplify right side
318,117.42x = 111,347,296,443.63 - Step 5: Solve for x
x = 111,347,296,443.63/318,117.42 - Step 6: Final answer
x = 350,019.49
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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.