Finding the Fourth Proportional to 134,955.60, 202,260.60 and 103,635.60
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Solution
The fourth proportional to 134,955.60, 202,260.60 and 103,635.60 is: 155,320.70
Step by Step Solution
- Step 1: Write the proportion equation
134,955.60 : 202,260.60 = 103,635.60 : x - Step 2: Convert to fraction form
134,955.60/202,260.60 = 103,635.60/x - Step 3: Cross multiply
134,955.60x = 202,260.60 × 103,635.60 - Step 4: Simplify right side
134,955.60x = 20,961,398,637.36 - Step 5: Solve for x
x = 20,961,398,637.36/134,955.60 - Step 6: Final answer
x = 155,320.70
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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.