Finding the Fourth Proportional to 183,568.40, 253,349.61 and 103,000.68
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Solution
The fourth proportional to 183,568.40, 253,349.61 and 103,000.68 is: 142,155.09
Step by Step Solution
- Step 1: Write the proportion equation
183,568.40 : 253,349.61 = 103,000.68 : x - Step 2: Convert to fraction form
183,568.40/253,349.61 = 103,000.68/x - Step 3: Cross multiply
183,568.40x = 253,349.61 × 103,000.68 - Step 4: Simplify right side
183,568.40x = 26,095,181,592.73 - Step 5: Solve for x
x = 26,095,181,592.73/183,568.40 - Step 6: Final answer
x = 142,155.09
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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.