Finding the Fourth Proportional to 102,342.36, 153,544.56 and 52,457.82
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Solution
The fourth proportional to 102,342.36, 153,544.56 and 52,457.82 is: 78,702.63
Step by Step Solution
- Step 1: Write the proportion equation
102,342.36 : 153,544.56 = 52,457.82 : x - Step 2: Convert to fraction form
102,342.36/153,544.56 = 52,457.82/x - Step 3: Cross multiply
102,342.36x = 153,544.56 × 52,457.82 - Step 4: Simplify right side
102,342.36x = 8,054,612,890.46 - Step 5: Solve for x
x = 8,054,612,890.46/102,342.36 - Step 6: Final answer
x = 78,702.63
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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.