Finding the Fourth Proportional to 257,161.48, 385,555.36 and 107,444.58
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Solution
The fourth proportional to 257,161.48, 385,555.36 and 107,444.58 is: 161,088.80
Step by Step Solution
- Step 1: Write the proportion equation
257,161.48 : 385,555.36 = 107,444.58 : x - Step 2: Convert to fraction form
257,161.48/385,555.36 = 107,444.58/x - Step 3: Cross multiply
257,161.48x = 385,555.36 × 107,444.58 - Step 4: Simplify right side
257,161.48x = 41,425,833,721.95 - Step 5: Solve for x
x = 41,425,833,721.95/257,161.48 - Step 6: Final answer
x = 161,088.80
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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.