Finding the Fourth Proportional to 664,524.64, 996,194.16 and 243,702.88
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Solution
The fourth proportional to 664,524.64, 996,194.16 and 243,702.88 is: 365,336.92
Step by Step Solution
- Step 1: Write the proportion equation
664,524.64 : 996,194.16 = 243,702.88 : x - Step 2: Convert to fraction form
664,524.64/996,194.16 = 243,702.88/x - Step 3: Cross multiply
664,524.64x = 996,194.16 × 243,702.88 - Step 4: Simplify right side
664,524.64x = 242,775,385,831.18 - Step 5: Solve for x
x = 242,775,385,831.18/664,524.64 - Step 6: Final answer
x = 365,336.92
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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.