Finding the Fourth Proportional to 341,024.40, 511,536.60 and 288,536.40
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Solution
The fourth proportional to 341,024.40, 511,536.60 and 288,536.40 is: 432,804.60
Step by Step Solution
- Step 1: Write the proportion equation
341,024.40 : 511,536.60 = 288,536.40 : x - Step 2: Convert to fraction form
341,024.40/511,536.60 = 288,536.40/x - Step 3: Cross multiply
341,024.40x = 511,536.60 × 288,536.40 - Step 4: Simplify right side
341,024.40x = 147,596,929,032.24 - Step 5: Solve for x
x = 147,596,929,032.24/341,024.40 - Step 6: Final answer
x = 432,804.60
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1.5x scale
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.