Finding the Fourth Proportional to 186,526.70, 279,570.87 and 86,476.31
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Solution
The fourth proportional to 186,526.70, 279,570.87 and 86,476.31 is: 129,612.85
Step by Step Solution
- Step 1: Write the proportion equation
186,526.70 : 279,570.87 = 86,476.31 : x - Step 2: Convert to fraction form
186,526.70/279,570.87 = 86,476.31/x - Step 3: Cross multiply
186,526.70x = 279,570.87 × 86,476.31 - Step 4: Simplify right side
186,526.70x = 24,176,255,823.24 - Step 5: Solve for x
x = 24,176,255,823.24/186,526.70 - Step 6: Final answer
x = 129,612.85
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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.