Finding the Fourth Proportional to 107,628.28, 148,524.71 and 62,308.18
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Solution
The fourth proportional to 107,628.28, 148,524.71 and 62,308.18 is: 85,983.95
Step by Step Solution
- Step 1: Write the proportion equation
107,628.28 : 148,524.71 = 62,308.18 : x - Step 2: Convert to fraction form
107,628.28/148,524.71 = 62,308.18/x - Step 3: Cross multiply
107,628.28x = 148,524.71 × 62,308.18 - Step 4: Simplify right side
107,628.28x = 9,254,304,365.13 - Step 5: Solve for x
x = 9,254,304,365.13/107,628.28 - Step 6: Final answer
x = 85,983.95
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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.