Finding the Fourth Proportional to 316,799.07, 437,182.71 and 189,504.74
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Solution
The fourth proportional to 316,799.07, 437,182.71 and 189,504.74 is: 261,516.53
Step by Step Solution
- Step 1: Write the proportion equation
316,799.07 : 437,182.71 = 189,504.74 : x - Step 2: Convert to fraction form
316,799.07/437,182.71 = 189,504.74/x - Step 3: Cross multiply
316,799.07x = 437,182.71 × 189,504.74 - Step 4: Simplify right side
316,799.07x = 82,848,193,605.13 - Step 5: Solve for x
x = 82,848,193,605.13/316,799.07 - Step 6: Final answer
x = 261,516.53
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1.5x scale
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.