Finding the Fourth Proportional to 248,610.24, 343,079.04 and 135,430.56
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Solution
The fourth proportional to 248,610.24, 343,079.04 and 135,430.56 is: 186,892.49
Step by Step Solution
- Step 1: Write the proportion equation
248,610.24 : 343,079.04 = 135,430.56 : x - Step 2: Convert to fraction form
248,610.24/343,079.04 = 135,430.56/x - Step 3: Cross multiply
248,610.24x = 343,079.04 × 135,430.56 - Step 4: Simplify right side
248,610.24x = 46,463,386,511.46 - Step 5: Solve for x
x = 46,463,386,511.46/248,610.24 - Step 6: Final answer
x = 186,892.49
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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.