Finding the Fourth Proportional to 288,900.41, 433,265.87 and 108,855.95
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Solution
The fourth proportional to 288,900.41, 433,265.87 and 108,855.95 is: 163,251.99
Step by Step Solution
- Step 1: Write the proportion equation
288,900.41 : 433,265.87 = 108,855.95 : x - Step 2: Convert to fraction form
288,900.41/433,265.87 = 108,855.95/x - Step 3: Cross multiply
288,900.41x = 433,265.87 × 108,855.95 - Step 4: Simplify right side
288,900.41x = 47,163,565,987.24 - Step 5: Solve for x
x = 47,163,565,987.24/288,900.41 - Step 6: Final answer
x = 163,251.99
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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.