Finding the Fourth Proportional to 775,633.24, 1,163,416.02 and 243,142.12
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Solution
The fourth proportional to 775,633.24, 1,163,416.02 and 243,142.12 is: 364,702.57
Step by Step Solution
- Step 1: Write the proportion equation
775,633.24 : 1,163,416.02 = 243,142.12 : x - Step 2: Convert to fraction form
775,633.24/1,163,416.02 = 243,142.12/x - Step 3: Cross multiply
775,633.24x = 1,163,416.02 × 243,142.12 - Step 4: Simplify right side
775,633.24x = 282,875,437,544.76 - Step 5: Solve for x
x = 282,875,437,544.76/775,633.24 - Step 6: Final answer
x = 364,702.57
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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.