Finding the Fourth Proportional to 252,317.19, 378,477.27 and 74,825.67
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Solution
The fourth proportional to 252,317.19, 378,477.27 and 74,825.67 is: 112,238.95
Step by Step Solution
- Step 1: Write the proportion equation
252,317.19 : 378,477.27 = 74,825.67 : x - Step 2: Convert to fraction form
252,317.19/378,477.27 = 74,825.67/x - Step 3: Cross multiply
252,317.19x = 378,477.27 × 74,825.67 - Step 4: Simplify right side
252,317.19x = 28,319,815,307.52 - Step 5: Solve for x
x = 28,319,815,307.52/252,317.19 - Step 6: Final answer
x = 112,238.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.