Finding the Fourth Proportional to 401,181.19, 553,686.75 and 248,268.63
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Solution
The fourth proportional to 401,181.19, 553,686.75 and 248,268.63 is: 342,645.80
Step by Step Solution
- Step 1: Write the proportion equation
401,181.19 : 553,686.75 = 248,268.63 : x - Step 2: Convert to fraction form
401,181.19/553,686.75 = 248,268.63/x - Step 3: Cross multiply
401,181.19x = 553,686.75 × 248,268.63 - Step 4: Simplify right side
401,181.19x = 137,463,050,871.65 - Step 5: Solve for x
x = 137,463,050,871.65/401,181.19 - Step 6: Final answer
x = 342,645.80
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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.