Finding the Fourth Proportional to 288,393.44, 432,442.48 and 153,534.12
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Solution
The fourth proportional to 288,393.44, 432,442.48 and 153,534.12 is: 230,222.56
Step by Step Solution
- Step 1: Write the proportion equation
288,393.44 : 432,442.48 = 153,534.12 : x - Step 2: Convert to fraction form
288,393.44/432,442.48 = 153,534.12/x - Step 3: Cross multiply
288,393.44x = 432,442.48 × 153,534.12 - Step 4: Simplify right side
288,393.44x = 66,394,675,617.42 - Step 5: Solve for x
x = 66,394,675,617.42/288,393.44 - Step 6: Final answer
x = 230,222.56
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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.