Finding the Fourth Proportional to 341,245.80, 511,868.70 and 288,101.70
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Solution
The fourth proportional to 341,245.80, 511,868.70 and 288,101.70 is: 432,152.55
Step by Step Solution
- Step 1: Write the proportion equation
341,245.80 : 511,868.70 = 288,101.70 : x - Step 2: Convert to fraction form
341,245.80/511,868.70 = 288,101.70/x - Step 3: Cross multiply
341,245.80x = 511,868.70 × 288,101.70 - Step 4: Simplify right side
341,245.80x = 147,470,242,646.79 - Step 5: Solve for x
x = 147,470,242,646.79/341,245.80 - Step 6: Final answer
x = 432,152.55
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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.