Finding the Fourth Proportional to 259,872.06, 358,709.80 and 152,402.88
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Solution
The fourth proportional to 259,872.06, 358,709.80 and 152,402.88 is: 210,366.62
Step by Step Solution
- Step 1: Write the proportion equation
259,872.06 : 358,709.80 = 152,402.88 : x - Step 2: Convert to fraction form
259,872.06/358,709.80 = 152,402.88/x - Step 3: Cross multiply
259,872.06x = 358,709.80 × 152,402.88 - Step 4: Simplify right side
259,872.06x = 54,668,406,604.22 - Step 5: Solve for x
x = 54,668,406,604.22/259,872.06 - Step 6: Final answer
x = 210,366.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.