Finding the Fourth Proportional to 127,948.24, 176,511.50 and 74,202.16
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Solution
The fourth proportional to 127,948.24, 176,511.50 and 74,202.16 is: 102,365.88
Step by Step Solution
- Step 1: Write the proportion equation
127,948.24 : 176,511.50 = 74,202.16 : x - Step 2: Convert to fraction form
127,948.24/176,511.50 = 74,202.16/x - Step 3: Cross multiply
127,948.24x = 176,511.50 × 74,202.16 - Step 4: Simplify right side
127,948.24x = 13,097,534,564.84 - Step 5: Solve for x
x = 13,097,534,564.84/127,948.24 - Step 6: Final answer
x = 102,365.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.