Finding the Fourth Proportional to 288,486.16, 432,770.19 and 88,823.14
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Solution
The fourth proportional to 288,486.16, 432,770.19 and 88,823.14 is: 133,247.32
Step by Step Solution
- Step 1: Write the proportion equation
288,486.16 : 432,770.19 = 88,823.14 : x - Step 2: Convert to fraction form
288,486.16/432,770.19 = 88,823.14/x - Step 3: Cross multiply
288,486.16x = 432,770.19 × 88,823.14 - Step 4: Simplify right side
288,486.16x = 38,440,007,174.20 - Step 5: Solve for x
x = 38,440,007,174.20/288,486.16 - Step 6: Final answer
x = 133,247.32
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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.