Finding the Fourth Proportional to 193,321.74, 266,783.46 and 107,293.71
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Solution
The fourth proportional to 193,321.74, 266,783.46 and 107,293.71 is: 148,065.02
Step by Step Solution
- Step 1: Write the proportion equation
193,321.74 : 266,783.46 = 107,293.71 : x - Step 2: Convert to fraction form
193,321.74/266,783.46 = 107,293.71/x - Step 3: Cross multiply
193,321.74x = 266,783.46 × 107,293.71 - Step 4: Simplify right side
193,321.74x = 28,624,187,190.04 - Step 5: Solve for x
x = 28,624,187,190.04/193,321.74 - Step 6: Final answer
x = 148,065.02
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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.