Finding the Fourth Proportional to 316,771.12, 437,175.49 and 180,825.49
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Solution
The fourth proportional to 316,771.12, 437,175.49 and 180,825.49 is: 249,557.07
Step by Step Solution
- Step 1: Write the proportion equation
316,771.12 : 437,175.49 = 180,825.49 : x - Step 2: Convert to fraction form
316,771.12/437,175.49 = 180,825.49/x - Step 3: Cross multiply
316,771.12x = 437,175.49 × 180,825.49 - Step 4: Simplify right side
316,771.12x = 79,052,471,653.42 - Step 5: Solve for x
x = 79,052,471,653.42/316,771.12 - Step 6: Final answer
x = 249,557.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.