Finding the Fourth Proportional to 288,760.68, 432,850.16 and 120,374.16
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Solution
The fourth proportional to 288,760.68, 432,850.16 and 120,374.16 is: 180,439.99
Step by Step Solution
- Step 1: Write the proportion equation
288,760.68 : 432,850.16 = 120,374.16 : x - Step 2: Convert to fraction form
288,760.68/432,850.16 = 120,374.16/x - Step 3: Cross multiply
288,760.68x = 432,850.16 × 120,374.16 - Step 4: Simplify right side
288,760.68x = 52,103,974,415.87 - Step 5: Solve for x
x = 52,103,974,415.87/288,760.68 - Step 6: Final answer
x = 180,439.99
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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.