Finding the Fourth Proportional to 288,219.07, 432,344.35 and 119,756.44
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Solution
The fourth proportional to 288,219.07, 432,344.35 and 119,756.44 is: 179,641.19
Step by Step Solution
- Step 1: Write the proportion equation
288,219.07 : 432,344.35 = 119,756.44 : x - Step 2: Convert to fraction form
288,219.07/432,344.35 = 119,756.44/x - Step 3: Cross multiply
288,219.07x = 432,344.35 × 119,756.44 - Step 4: Simplify right side
288,219.07x = 51,776,018,571.06 - Step 5: Solve for x
x = 51,776,018,571.06/288,219.07 - Step 6: Final answer
x = 179,641.19
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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.