Finding the Fourth Proportional to 129,254.13, 178,488.36 and 97,367.67
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Solution
The fourth proportional to 129,254.13, 178,488.36 and 97,367.67 is: 134,456.02
Step by Step Solution
- Step 1: Write the proportion equation
129,254.13 : 178,488.36 = 97,367.67 : x - Step 2: Convert to fraction form
129,254.13/178,488.36 = 97,367.67/x - Step 3: Cross multiply
129,254.13x = 178,488.36 × 97,367.67 - Step 4: Simplify right side
129,254.13x = 17,378,995,735.32 - Step 5: Solve for x
x = 17,378,995,735.32/129,254.13 - Step 6: Final answer
x = 134,456.02
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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.