Finding the Fourth Proportional to 354,012.66, 488,536.01 and 192,867.21
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Solution
The fourth proportional to 354,012.66, 488,536.01 and 192,867.21 is: 266,155.95
Step by Step Solution
- Step 1: Write the proportion equation
354,012.66 : 488,536.01 = 192,867.21 : x - Step 2: Convert to fraction form
354,012.66/488,536.01 = 192,867.21/x - Step 3: Cross multiply
354,012.66x = 488,536.01 × 192,867.21 - Step 4: Simplify right side
354,012.66x = 94,222,577,233.23 - Step 5: Solve for x
x = 94,222,577,233.23/354,012.66 - Step 6: Final answer
x = 266,155.95
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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.