Finding the Fourth Proportional to 284,340.57, 392,476.86 and 175,478.19
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Solution
The fourth proportional to 284,340.57, 392,476.86 and 175,478.19 is: 242,213.52
Step by Step Solution
- Step 1: Write the proportion equation
284,340.57 : 392,476.86 = 175,478.19 : x - Step 2: Convert to fraction form
284,340.57/392,476.86 = 175,478.19/x - Step 3: Cross multiply
284,340.57x = 392,476.86 × 175,478.19 - Step 4: Simplify right side
284,340.57x = 68,871,129,009.68 - Step 5: Solve for x
x = 68,871,129,009.68/284,340.57 - Step 6: Final answer
x = 242,213.52
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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.