Finding the Fourth Proportional to 316,497.93, 474,672.37 and 91,799.07
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Solution
The fourth proportional to 316,497.93, 474,672.37 and 91,799.07 is: 137,676.99
Step by Step Solution
- Step 1: Write the proportion equation
316,497.93 : 474,672.37 = 91,799.07 : x - Step 2: Convert to fraction form
316,497.93/474,672.37 = 91,799.07/x - Step 3: Cross multiply
316,497.93x = 474,672.37 × 91,799.07 - Step 4: Simplify right side
316,497.93x = 43,574,482,120.70 - Step 5: Solve for x
x = 43,574,482,120.70/316,497.93 - Step 6: Final answer
x = 137,676.99
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1.5x scale
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.