Finding the Fourth Proportional to 487,450.10, 672,676.53 and 272,587.70
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Solution
The fourth proportional to 487,450.10, 672,676.53 and 272,587.70 is: 376,168.45
Step by Step Solution
- Step 1: Write the proportion equation
487,450.10 : 672,676.53 = 272,587.70 : x - Step 2: Convert to fraction form
487,450.10/672,676.53 = 272,587.70/x - Step 3: Cross multiply
487,450.10x = 672,676.53 × 272,587.70 - Step 4: Simplify right side
487,450.10x = 183,363,348,156.68 - Step 5: Solve for x
x = 183,363,348,156.68/487,450.10 - Step 6: Final answer
x = 376,168.45
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1.5x scale
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.