Finding the Fourth Proportional to 102,063.19, 153,077.50 and 30,968.68
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Solution
The fourth proportional to 102,063.19, 153,077.50 and 30,968.68 is: 46,447.77
Step by Step Solution
- Step 1: Write the proportion equation
102,063.19 : 153,077.50 = 30,968.68 : x - Step 2: Convert to fraction form
102,063.19/153,077.50 = 30,968.68/x - Step 3: Cross multiply
102,063.19x = 153,077.50 × 30,968.68 - Step 4: Simplify right side
102,063.19x = 4,740,607,192.47 - Step 5: Solve for x
x = 4,740,607,192.47/102,063.19 - Step 6: Final answer
x = 46,447.77
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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.