Finding the Fourth Proportional to 318,405.30, 439,383.36 and 175,161.66
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Solution
The fourth proportional to 318,405.30, 439,383.36 and 175,161.66 is: 241,714.31
Step by Step Solution
- Step 1: Write the proportion equation
318,405.30 : 439,383.36 = 175,161.66 : x - Step 2: Convert to fraction form
318,405.30/439,383.36 = 175,161.66/x - Step 3: Cross multiply
318,405.30x = 439,383.36 × 175,161.66 - Step 4: Simplify right side
318,405.30x = 76,963,118,713.98 - Step 5: Solve for x
x = 76,963,118,713.98/318,405.30 - Step 6: Final answer
x = 241,714.31
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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.