Finding the Fourth Proportional to 288,812.93, 433,225.34 and 89,133.44
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Solution
The fourth proportional to 288,812.93, 433,225.34 and 89,133.44 is: 133,701.99
Step by Step Solution
- Step 1: Write the proportion equation
288,812.93 : 433,225.34 = 89,133.44 : x - Step 2: Convert to fraction form
288,812.93/433,225.34 = 89,133.44/x - Step 3: Cross multiply
288,812.93x = 433,225.34 × 89,133.44 - Step 4: Simplify right side
288,812.93x = 38,614,864,403.70 - Step 5: Solve for x
x = 38,614,864,403.70/288,812.93 - Step 6: Final answer
x = 133,701.99
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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.