Finding the Fourth Proportional to 245,235.70, 367,659.15 and 134,427.70
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Solution
The fourth proportional to 245,235.70, 367,659.15 and 134,427.70 is: 201,534.99
Step by Step Solution
- Step 1: Write the proportion equation
245,235.70 : 367,659.15 = 134,427.70 : x - Step 2: Convert to fraction form
245,235.70/367,659.15 = 134,427.70/x - Step 3: Cross multiply
245,235.70x = 367,659.15 × 134,427.70 - Step 4: Simplify right side
245,235.70x = 49,423,573,918.46 - Step 5: Solve for x
x = 49,423,573,918.46/245,235.70 - Step 6: Final answer
x = 201,534.99
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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.