Finding the Fourth Proportional to 102,382.74, 153,406.44 and 98,494.74
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Solution
The fourth proportional to 102,382.74, 153,406.44 and 98,494.74 is: 147,580.81
Step by Step Solution
- Step 1: Write the proportion equation
102,382.74 : 153,406.44 = 98,494.74 : x - Step 2: Convert to fraction form
102,382.74/153,406.44 = 98,494.74/x - Step 3: Cross multiply
102,382.74x = 153,406.44 × 98,494.74 - Step 4: Simplify right side
102,382.74x = 15,109,727,422.13 - Step 5: Solve for x
x = 15,109,727,422.13/102,382.74 - Step 6: Final answer
x = 147,580.81
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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.