Finding the Fourth Proportional to 114,286.23, 157,711.50 and 63,296.93
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Solution
The fourth proportional to 114,286.23, 157,711.50 and 63,296.93 is: 87,347.82
Step by Step Solution
- Step 1: Write the proportion equation
114,286.23 : 157,711.50 = 63,296.93 : x - Step 2: Convert to fraction form
114,286.23/157,711.50 = 63,296.93/x - Step 3: Cross multiply
114,286.23x = 157,711.50 × 63,296.93 - Step 4: Simplify right side
114,286.23x = 9,982,652,987.14 - Step 5: Solve for x
x = 9,982,652,987.14/114,286.23 - Step 6: Final answer
x = 87,347.82
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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.