Finding the Fourth Proportional to 207,204.41, 310,900.95 and 100,530.79
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Solution
The fourth proportional to 207,204.41, 310,900.95 and 100,530.79 is: 150,841.95
Step by Step Solution
- Step 1: Write the proportion equation
207,204.41 : 310,900.95 = 100,530.79 : x - Step 2: Convert to fraction form
207,204.41/310,900.95 = 100,530.79/x - Step 3: Cross multiply
207,204.41x = 310,900.95 × 100,530.79 - Step 4: Simplify right side
207,204.41x = 31,255,117,338.00 - Step 5: Solve for x
x = 31,255,117,338.00/207,204.41 - Step 6: Final answer
x = 150,841.95
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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.