Finding the Fourth Proportional to 288,459.21, 432,676.26 and 88,799.88
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Solution
The fourth proportional to 288,459.21, 432,676.26 and 88,799.88 is: 133,195.96
Step by Step Solution
- Step 1: Write the proportion equation
288,459.21 : 432,676.26 = 88,799.88 : x - Step 2: Convert to fraction form
288,459.21/432,676.26 = 88,799.88/x - Step 3: Cross multiply
288,459.21x = 432,676.26 × 88,799.88 - Step 4: Simplify right side
288,459.21x = 38,421,599,966.85 - Step 5: Solve for x
x = 38,421,599,966.85/288,459.21 - Step 6: Final answer
x = 133,195.96
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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.