Finding the Fourth Proportional to 354,137.42, 488,695.40 and 192,989.02
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Solution
The fourth proportional to 354,137.42, 488,695.40 and 192,989.02 is: 266,317.09
Step by Step Solution
- Step 1: Write the proportion equation
354,137.42 : 488,695.40 = 192,989.02 : x - Step 2: Convert to fraction form
354,137.42/488,695.40 = 192,989.02/x - Step 3: Cross multiply
354,137.42x = 488,695.40 × 192,989.02 - Step 4: Simplify right side
354,137.42x = 94,312,846,324.51 - Step 5: Solve for x
x = 94,312,846,324.51/354,137.42 - Step 6: Final answer
x = 266,317.09
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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.