Finding the Fourth Proportional to 354,145.62, 488,671.65 and 199,074.99
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Solution
The fourth proportional to 354,145.62, 488,671.65 and 199,074.99 is: 274,695.77
Step by Step Solution
- Step 1: Write the proportion equation
354,145.62 : 488,671.65 = 199,074.99 : x - Step 2: Convert to fraction form
354,145.62/488,671.65 = 199,074.99/x - Step 3: Cross multiply
354,145.62x = 488,671.65 × 199,074.99 - Step 4: Simplify right side
354,145.62x = 97,282,303,837.03 - Step 5: Solve for x
x = 97,282,303,837.03/354,145.62 - Step 6: Final answer
x = 274,695.77
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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.