Finding the Fourth Proportional to 316,282.29, 474,423.46 and 91,642.88
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Solution
The fourth proportional to 316,282.29, 474,423.46 and 91,642.88 is: 137,464.33
Step by Step Solution
- Step 1: Write the proportion equation
316,282.29 : 474,423.46 = 91,642.88 : x - Step 2: Convert to fraction form
316,282.29/474,423.46 = 91,642.88/x - Step 3: Cross multiply
316,282.29x = 474,423.46 × 91,642.88 - Step 4: Simplify right side
316,282.29x = 43,477,532,213.96 - Step 5: Solve for x
x = 43,477,532,213.96/316,282.29 - Step 6: Final answer
x = 137,464.33
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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.