Finding the Fourth Proportional to 248,670.32, 343,165.08 and 135,493.08
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Solution
The fourth proportional to 248,670.32, 343,165.08 and 135,493.08 is: 186,980.47
Step by Step Solution
- Step 1: Write the proportion equation
248,670.32 : 343,165.08 = 135,493.08 : x - Step 2: Convert to fraction form
248,670.32/343,165.08 = 135,493.08/x - Step 3: Cross multiply
248,670.32x = 343,165.08 × 135,493.08 - Step 4: Simplify right side
248,670.32x = 46,496,493,637.65 - Step 5: Solve for x
x = 46,496,493,637.65/248,670.32 - Step 6: Final answer
x = 186,980.47
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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.