Finding the Fourth Proportional to 329,320.81, 493,047.08 and 215,601.06
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Solution
The fourth proportional to 329,320.81, 493,047.08 and 215,601.06 is: 322,790.03
Step by Step Solution
- Step 1: Write the proportion equation
329,320.81 : 493,047.08 = 215,601.06 : x - Step 2: Convert to fraction form
329,320.81/493,047.08 = 215,601.06/x - Step 3: Cross multiply
329,320.81x = 493,047.08 × 215,601.06 - Step 4: Simplify right side
329,320.81x = 106,301,472,808.40 - Step 5: Solve for x
x = 106,301,472,808.40/329,320.81 - Step 6: Final answer
x = 322,790.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.