Finding the Fourth Proportional to 284,095.64, 392,119.07 and 163,306.99
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Solution
The fourth proportional to 284,095.64, 392,119.07 and 163,306.99 is: 225,402.21
Step by Step Solution
- Step 1: Write the proportion equation
284,095.64 : 392,119.07 = 163,306.99 : x - Step 2: Convert to fraction form
284,095.64/392,119.07 = 163,306.99/x - Step 3: Cross multiply
284,095.64x = 392,119.07 × 163,306.99 - Step 4: Simplify right side
284,095.64x = 64,035,784,471.27 - Step 5: Solve for x
x = 64,035,784,471.27/284,095.64 - Step 6: Final answer
x = 225,402.21
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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.