Finding the Fourth Proportional to 322,848.16, 445,534.49 and 177,670.65
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Solution
The fourth proportional to 322,848.16, 445,534.49 and 177,670.65 is: 245,187.71
Step by Step Solution
- Step 1: Write the proportion equation
322,848.16 : 445,534.49 = 177,670.65 : x - Step 2: Convert to fraction form
322,848.16/445,534.49 = 177,670.65/x - Step 3: Cross multiply
322,848.16x = 445,534.49 × 177,670.65 - Step 4: Simplify right side
322,848.16x = 79,158,400,652.22 - Step 5: Solve for x
x = 79,158,400,652.22/322,848.16 - Step 6: Final answer
x = 245,187.71
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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.