Finding the Fourth Proportional to 357,212.09, 535,818.11 and 107,894.09
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Solution
The fourth proportional to 357,212.09, 535,818.11 and 107,894.09 is: 161,841.12
Step by Step Solution
- Step 1: Write the proportion equation
357,212.09 : 535,818.11 = 107,894.09 : x - Step 2: Convert to fraction form
357,212.09/535,818.11 = 107,894.09/x - Step 3: Cross multiply
357,212.09x = 535,818.11 × 107,894.09 - Step 4: Simplify right side
357,212.09x = 57,811,604,165.41 - Step 5: Solve for x
x = 57,811,604,165.41/357,212.09 - Step 6: Final answer
x = 161,841.12
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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.