Finding the Fourth Proportional to 114,246.64, 157,717.58 and 71,828.56
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Solution
The fourth proportional to 114,246.64, 157,717.58 and 71,828.56 is: 99,159.39
Step by Step Solution
- Step 1: Write the proportion equation
114,246.64 : 157,717.58 = 71,828.56 : x - Step 2: Convert to fraction form
114,246.64/157,717.58 = 71,828.56/x - Step 3: Cross multiply
114,246.64x = 157,717.58 × 71,828.56 - Step 4: Simplify right side
114,246.64x = 11,328,626,658.08 - Step 5: Solve for x
x = 11,328,626,658.08/114,246.64 - Step 6: Final answer
x = 99,159.39
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1.5x scale
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.