Finding the Fourth Proportional to 248,193.60, 372,290.40 and 153,715.20
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Solution
The fourth proportional to 248,193.60, 372,290.40 and 153,715.20 is: 230,572.80
Step by Step Solution
- Step 1: Write the proportion equation
248,193.60 : 372,290.40 = 153,715.20 : x - Step 2: Convert to fraction form
248,193.60/372,290.40 = 153,715.20/x - Step 3: Cross multiply
248,193.60x = 372,290.40 × 153,715.20 - Step 4: Simplify right side
248,193.60x = 57,226,693,294.08 - Step 5: Solve for x
x = 57,226,693,294.08/248,193.60 - Step 6: Final answer
x = 230,572.80
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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.