Finding the Fourth Proportional to 207,153.71, 285,710.16 and 134,579.99
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Solution
The fourth proportional to 207,153.71, 285,710.16 and 134,579.99 is: 185,615.16
Step by Step Solution
- Step 1: Write the proportion equation
207,153.71 : 285,710.16 = 134,579.99 : x - Step 2: Convert to fraction form
207,153.71/285,710.16 = 134,579.99/x - Step 3: Cross multiply
207,153.71x = 285,710.16 × 134,579.99 - Step 4: Simplify right side
207,153.71x = 38,450,869,047.15 - Step 5: Solve for x
x = 38,450,869,047.15/207,153.71 - Step 6: Final answer
x = 185,615.16
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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.