Finding the Fourth Proportional to 354,246.96, 488,851.02 and 193,105.14
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Solution
The fourth proportional to 354,246.96, 488,851.02 and 193,105.14 is: 266,479.76
Step by Step Solution
- Step 1: Write the proportion equation
354,246.96 : 488,851.02 = 193,105.14 : x - Step 2: Convert to fraction form
354,246.96/488,851.02 = 193,105.14/x - Step 3: Cross multiply
354,246.96x = 488,851.02 × 193,105.14 - Step 4: Simplify right side
354,246.96x = 94,399,644,656.24 - Step 5: Solve for x
x = 94,399,644,656.24/354,246.96 - Step 6: Final answer
x = 266,479.76
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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.