Finding the Fourth Proportional to 306,887.40, 460,331.10 and 96,589.80
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Solution
The fourth proportional to 306,887.40, 460,331.10 and 96,589.80 is: 144,884.70
Step by Step Solution
- Step 1: Write the proportion equation
306,887.40 : 460,331.10 = 96,589.80 : x - Step 2: Convert to fraction form
306,887.40/460,331.10 = 96,589.80/x - Step 3: Cross multiply
306,887.40x = 460,331.10 × 96,589.80 - Step 4: Simplify right side
306,887.40x = 44,463,288,882.78 - Step 5: Solve for x
x = 44,463,288,882.78/306,887.40 - Step 6: Final answer
x = 144,884.70
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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.