Finding the Fourth Proportional to 177,985.34, 245,708.64 and 102,519.26
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Solution
The fourth proportional to 177,985.34, 245,708.64 and 102,519.26 is: 141,527.77
Step by Step Solution
- Step 1: Write the proportion equation
177,985.34 : 245,708.64 = 102,519.26 : x - Step 2: Convert to fraction form
177,985.34/245,708.64 = 102,519.26/x - Step 3: Cross multiply
177,985.34x = 245,708.64 × 102,519.26 - Step 4: Simplify right side
177,985.34x = 25,189,867,948.41 - Step 5: Solve for x
x = 25,189,867,948.41/177,985.34 - Step 6: Final answer
x = 141,527.77
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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.