Finding the Fourth Proportional to 316,024.24, 436,120.32 and 188,676.08
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Solution
The fourth proportional to 316,024.24, 436,120.32 and 188,676.08 is: 260,377.09
Step by Step Solution
- Step 1: Write the proportion equation
316,024.24 : 436,120.32 = 188,676.08 : x - Step 2: Convert to fraction form
316,024.24/436,120.32 = 188,676.08/x - Step 3: Cross multiply
316,024.24x = 436,120.32 × 188,676.08 - Step 4: Simplify right side
316,024.24x = 82,285,472,385.95 - Step 5: Solve for x
x = 82,285,472,385.95/316,024.24 - Step 6: Final answer
x = 260,377.09
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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.