Finding the Fourth Proportional to 203,291.12, 304,881.60 and 84,937.70
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Solution
The fourth proportional to 203,291.12, 304,881.60 and 84,937.70 is: 127,383.54
Step by Step Solution
- Step 1: Write the proportion equation
203,291.12 : 304,881.60 = 84,937.70 : x - Step 2: Convert to fraction form
203,291.12/304,881.60 = 84,937.70/x - Step 3: Cross multiply
203,291.12x = 304,881.60 × 84,937.70 - Step 4: Simplify right side
203,291.12x = 25,895,941,876.32 - Step 5: Solve for x
x = 25,895,941,876.32/203,291.12 - Step 6: Final answer
x = 127,383.54
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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.