Finding the Fourth Proportional to 104,921.36, 157,397.58 and 38,345.96
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Solution
The fourth proportional to 104,921.36, 157,397.58 and 38,345.96 is: 57,524.62
Step by Step Solution
- Step 1: Write the proportion equation
104,921.36 : 157,397.58 = 38,345.96 : x - Step 2: Convert to fraction form
104,921.36/157,397.58 = 38,345.96/x - Step 3: Cross multiply
104,921.36x = 157,397.58 × 38,345.96 - Step 4: Simplify right side
104,921.36x = 6,035,561,306.78 - Step 5: Solve for x
x = 6,035,561,306.78/104,921.36 - Step 6: Final answer
x = 57,524.62
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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.