Finding the Fourth Proportional to 283,418.19, 391,088.16 and 174,505.23
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Solution
The fourth proportional to 283,418.19, 391,088.16 and 174,505.23 is: 240,799.40
Step by Step Solution
- Step 1: Write the proportion equation
283,418.19 : 391,088.16 = 174,505.23 : x - Step 2: Convert to fraction form
283,418.19/391,088.16 = 174,505.23/x - Step 3: Cross multiply
283,418.19x = 391,088.16 × 174,505.23 - Step 4: Simplify right side
283,418.19x = 68,246,929,311.08 - Step 5: Solve for x
x = 68,246,929,311.08/283,418.19 - Step 6: Final answer
x = 240,799.40
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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.