Finding the Fourth Proportional to 102,171.36, 153,276.48 and 39,838.08
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Solution
The fourth proportional to 102,171.36, 153,276.48 and 39,838.08 is: 59,764.70
Step by Step Solution
- Step 1: Write the proportion equation
102,171.36 : 153,276.48 = 39,838.08 : x - Step 2: Convert to fraction form
102,171.36/153,276.48 = 39,838.08/x - Step 3: Cross multiply
102,171.36x = 153,276.48 × 39,838.08 - Step 4: Simplify right side
102,171.36x = 6,106,240,672.36 - Step 5: Solve for x
x = 6,106,240,672.36/102,171.36 - Step 6: Final answer
x = 59,764.70
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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.