Finding the Fourth Proportional to 320,864.10, 442,838.79 and 184,871.99
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Solution
The fourth proportional to 320,864.10, 442,838.79 and 184,871.99 is: 255,150.03
Step by Step Solution
- Step 1: Write the proportion equation
320,864.10 : 442,838.79 = 184,871.99 : x - Step 2: Convert to fraction form
320,864.10/442,838.79 = 184,871.99/x - Step 3: Cross multiply
320,864.10x = 442,838.79 × 184,871.99 - Step 4: Simplify right side
320,864.10x = 81,868,485,217.94 - Step 5: Solve for x
x = 81,868,485,217.94/320,864.10 - Step 6: Final answer
x = 255,150.03
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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.