Finding the Fourth Proportional to 193,384.06, 266,865.81 and 107,337.98
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Solution
The fourth proportional to 193,384.06, 266,865.81 and 107,337.98 is: 148,124.09
Step by Step Solution
- Step 1: Write the proportion equation
193,384.06 : 266,865.81 = 107,337.98 : x - Step 2: Convert to fraction form
193,384.06/266,865.81 = 107,337.98/x - Step 3: Cross multiply
193,384.06x = 266,865.81 × 107,337.98 - Step 4: Simplify right side
193,384.06x = 28,644,836,976.46 - Step 5: Solve for x
x = 28,644,836,976.46/193,384.06 - Step 6: Final answer
x = 148,124.09
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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.