Finding the Fourth Proportional to 270,329.68, 405,468.60 and 83,290.96
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Solution
The fourth proportional to 270,329.68, 405,468.60 and 83,290.96 is: 124,928.45
Step by Step Solution
- Step 1: Write the proportion equation
270,329.68 : 405,468.60 = 83,290.96 : x - Step 2: Convert to fraction form
270,329.68/405,468.60 = 83,290.96/x - Step 3: Cross multiply
270,329.68x = 405,468.60 × 83,290.96 - Step 4: Simplify right side
270,329.68x = 33,771,868,943.86 - Step 5: Solve for x
x = 33,771,868,943.86/270,329.68 - Step 6: Final answer
x = 124,928.45
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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.