Finding the Fourth Proportional to 320,481.36, 442,215.16 and 184,489.08
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Solution
The fourth proportional to 320,481.36, 442,215.16 and 184,489.08 is: 254,566.66
Step by Step Solution
- Step 1: Write the proportion equation
320,481.36 : 442,215.16 = 184,489.08 : x - Step 2: Convert to fraction form
320,481.36/442,215.16 = 184,489.08/x - Step 3: Cross multiply
320,481.36x = 442,215.16 × 184,489.08 - Step 4: Simplify right side
320,481.36x = 81,583,868,030.45 - Step 5: Solve for x
x = 81,583,868,030.45/320,481.36 - Step 6: Final answer
x = 254,566.66
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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.