Finding the Fourth Proportional to 186,426.37, 279,610.69 and 102,228.08
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Solution
The fourth proportional to 186,426.37, 279,610.69 and 102,228.08 is: 153,326.30
Step by Step Solution
- Step 1: Write the proportion equation
186,426.37 : 279,610.69 = 102,228.08 : x - Step 2: Convert to fraction form
186,426.37/279,610.69 = 102,228.08/x - Step 3: Cross multiply
186,426.37x = 279,610.69 × 102,228.08 - Step 4: Simplify right side
186,426.37x = 28,584,063,986.18 - Step 5: Solve for x
x = 28,584,063,986.18/186,426.37 - Step 6: Final answer
x = 153,326.30
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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.