Finding the Fourth Proportional to 248,866.18, 343,435.67 and 135,688.93
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Solution
The fourth proportional to 248,866.18, 343,435.67 and 135,688.93 is: 187,250.91
Step by Step Solution
- Step 1: Write the proportion equation
248,866.18 : 343,435.67 = 135,688.93 : x - Step 2: Convert to fraction form
248,866.18/343,435.67 = 135,688.93/x - Step 3: Cross multiply
248,866.18x = 343,435.67 × 135,688.93 - Step 4: Simplify right side
248,866.18x = 46,600,418,586.13 - Step 5: Solve for x
x = 46,600,418,586.13/248,866.18 - Step 6: Final answer
x = 187,250.91
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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.