Finding the Fourth Proportional to 124,180.56, 186,278.16 and 38,779.80
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Solution
The fourth proportional to 124,180.56, 186,278.16 and 38,779.80 is: 58,171.99
Step by Step Solution
- Step 1: Write the proportion equation
124,180.56 : 186,278.16 = 38,779.80 : x - Step 2: Convert to fraction form
124,180.56/186,278.16 = 38,779.80/x - Step 3: Cross multiply
124,180.56x = 186,278.16 × 38,779.80 - Step 4: Simplify right side
124,180.56x = 7,223,829,789.17 - Step 5: Solve for x
x = 7,223,829,789.17/124,180.56 - Step 6: Final answer
x = 58,171.99
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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.