Finding the Fourth Proportional to 242,684.18, 364,027.12 and 74,203.88
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Solution
The fourth proportional to 242,684.18, 364,027.12 and 74,203.88 is: 111,306.08
Step by Step Solution
- Step 1: Write the proportion equation
242,684.18 : 364,027.12 = 74,203.88 : x - Step 2: Convert to fraction form
242,684.18/364,027.12 = 74,203.88/x - Step 3: Cross multiply
242,684.18x = 364,027.12 × 74,203.88 - Step 4: Simplify right side
242,684.18x = 27,012,224,729.23 - Step 5: Solve for x
x = 27,012,224,729.23/242,684.18 - Step 6: Final answer
x = 111,306.08
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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.