Finding the Fourth Proportional to 102,029.49, 153,044.03 and 27,149.63
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Solution
The fourth proportional to 102,029.49, 153,044.03 and 27,149.63 is: 40,724.38
Step by Step Solution
- Step 1: Write the proportion equation
102,029.49 : 153,044.03 = 27,149.63 : x - Step 2: Convert to fraction form
102,029.49/153,044.03 = 27,149.63/x - Step 3: Cross multiply
102,029.49x = 153,044.03 × 27,149.63 - Step 4: Simplify right side
102,029.49x = 4,155,087,887.24 - Step 5: Solve for x
x = 4,155,087,887.24/102,029.49 - Step 6: Final answer
x = 40,724.38
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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.