Finding the Fourth Proportional to 245,030.24, 338,178.30 and 149,592.26
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Solution
The fourth proportional to 245,030.24, 338,178.30 and 149,592.26 is: 206,459.64
Step by Step Solution
- Step 1: Write the proportion equation
245,030.24 : 338,178.30 = 149,592.26 : x - Step 2: Convert to fraction form
245,030.24/338,178.30 = 149,592.26/x - Step 3: Cross multiply
245,030.24x = 338,178.30 × 149,592.26 - Step 4: Simplify right side
245,030.24x = 50,588,856,179.96 - Step 5: Solve for x
x = 50,588,856,179.96/245,030.24 - Step 6: Final answer
x = 206,459.64
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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.