Finding the Fourth Proportional to 284,516.84, 392,628.12 and 157,201.04
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Solution
The fourth proportional to 284,516.84, 392,628.12 and 157,201.04 is: 216,934.61
Step by Step Solution
- Step 1: Write the proportion equation
284,516.84 : 392,628.12 = 157,201.04 : x - Step 2: Convert to fraction form
284,516.84/392,628.12 = 157,201.04/x - Step 3: Cross multiply
284,516.84x = 392,628.12 × 157,201.04 - Step 4: Simplify right side
284,516.84x = 61,721,548,797.24 - Step 5: Solve for x
x = 61,721,548,797.24/284,516.84 - Step 6: Final answer
x = 216,934.61
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1.5x scale
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.