Finding the Fourth Proportional to 283,828.26, 391,682.58 and 156,504.12
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Solution
The fourth proportional to 283,828.26, 391,682.58 and 156,504.12 is: 215,975.45
Step by Step Solution
- Step 1: Write the proportion equation
283,828.26 : 391,682.58 = 156,504.12 : x - Step 2: Convert to fraction form
283,828.26/391,682.58 = 156,504.12/x - Step 3: Cross multiply
283,828.26x = 391,682.58 × 156,504.12 - Step 4: Simplify right side
283,828.26x = 61,299,937,502.23 - Step 5: Solve for x
x = 61,299,937,502.23/283,828.26 - Step 6: Final answer
x = 215,975.45
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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.