Finding the Fourth Proportional to 160,128.39, 239,998.35 and 117,614.26
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Solution
The fourth proportional to 160,128.39, 239,998.35 and 117,614.26 is: 176,278.72
Step by Step Solution
- Step 1: Write the proportion equation
160,128.39 : 239,998.35 = 117,614.26 : x - Step 2: Convert to fraction form
160,128.39/239,998.35 = 117,614.26/x - Step 3: Cross multiply
160,128.39x = 239,998.35 × 117,614.26 - Step 4: Simplify right side
160,128.39x = 28,227,228,336.47 - Step 5: Solve for x
x = 28,227,228,336.47/160,128.39 - Step 6: Final answer
x = 176,278.72
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1.5x scale
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.