Finding the Fourth Proportional to 283,924.80, 391,619.88 and 230,212.08
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Solution
The fourth proportional to 283,924.80, 391,619.88 and 230,212.08 is: 317,533.47
Step by Step Solution
- Step 1: Write the proportion equation
283,924.80 : 391,619.88 = 230,212.08 : x - Step 2: Convert to fraction form
283,924.80/391,619.88 = 230,212.08/x - Step 3: Cross multiply
283,924.80x = 391,619.88 × 230,212.08 - Step 4: Simplify right side
283,924.80x = 90,155,627,144.15 - Step 5: Solve for x
x = 90,155,627,144.15/283,924.80 - Step 6: Final answer
x = 317,533.47
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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.