Finding the Fourth Proportional to 153,349.68, 211,620.24 and 88,827.60
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Solution
The fourth proportional to 153,349.68, 211,620.24 and 88,827.60 is: 122,580.75
Step by Step Solution
- Step 1: Write the proportion equation
153,349.68 : 211,620.24 = 88,827.60 : x - Step 2: Convert to fraction form
153,349.68/211,620.24 = 88,827.60/x - Step 3: Cross multiply
153,349.68x = 211,620.24 × 88,827.60 - Step 4: Simplify right side
153,349.68x = 18,797,718,030.62 - Step 5: Solve for x
x = 18,797,718,030.62/153,349.68 - Step 6: Final answer
x = 122,580.75
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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.