Finding the Fourth Proportional to 248,798.91, 343,342.50 and 135,621.66
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Solution
The fourth proportional to 248,798.91, 343,342.50 and 135,621.66 is: 187,157.89
Step by Step Solution
- Step 1: Write the proportion equation
248,798.91 : 343,342.50 = 135,621.66 : x - Step 2: Convert to fraction form
248,798.91/343,342.50 = 135,621.66/x - Step 3: Cross multiply
248,798.91x = 343,342.50 × 135,621.66 - Step 4: Simplify right side
248,798.91x = 46,564,679,798.55 - Step 5: Solve for x
x = 46,564,679,798.55/248,798.91 - Step 6: Final answer
x = 187,157.89
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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.