Finding the Fourth Proportional to 354,078.18, 488,621.70 and 192,934.62
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Solution
The fourth proportional to 354,078.18, 488,621.70 and 192,934.62 is: 266,246.40
Step by Step Solution
- Step 1: Write the proportion equation
354,078.18 : 488,621.70 = 192,934.62 : x - Step 2: Convert to fraction form
354,078.18/488,621.70 = 192,934.62/x - Step 3: Cross multiply
354,078.18x = 488,621.70 × 192,934.62 - Step 4: Simplify right side
354,078.18x = 94,272,042,013.25 - Step 5: Solve for x
x = 94,272,042,013.25/354,078.18 - Step 6: Final answer
x = 266,246.40
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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.