Finding the Fourth Proportional to 320,805.24, 442,731.84 and 184,836.74
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Solution
The fourth proportional to 320,805.24, 442,731.84 and 184,836.74 is: 255,086.58
Step by Step Solution
- Step 1: Write the proportion equation
320,805.24 : 442,731.84 = 184,836.74 : x - Step 2: Convert to fraction form
320,805.24/442,731.84 = 184,836.74/x - Step 3: Cross multiply
320,805.24x = 442,731.84 × 184,836.74 - Step 4: Simplify right side
320,805.24x = 81,833,109,999.80 - Step 5: Solve for x
x = 81,833,109,999.80/320,805.24 - Step 6: Final answer
x = 255,086.58
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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.