Finding the Fourth Proportional to 169,248.11, 253,865.99 and 68,077.49
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Solution
The fourth proportional to 169,248.11, 253,865.99 and 68,077.49 is: 102,113.75
Step by Step Solution
- Step 1: Write the proportion equation
169,248.11 : 253,865.99 = 68,077.49 : x - Step 2: Convert to fraction form
169,248.11/253,865.99 = 68,077.49/x - Step 3: Cross multiply
169,248.11x = 253,865.99 × 68,077.49 - Step 4: Simplify right side
169,248.11x = 17,282,558,296.43 - Step 5: Solve for x
x = 17,282,558,296.43/169,248.11 - Step 6: Final answer
x = 102,113.75
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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.