Finding the Fourth Proportional to 284,743.00, 392,946.04 and 155,689.80
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Solution
The fourth proportional to 284,743.00, 392,946.04 and 155,689.80 is: 214,852.31
Step by Step Solution
- Step 1: Write the proportion equation
284,743.00 : 392,946.04 = 155,689.80 : x - Step 2: Convert to fraction form
284,743.00/392,946.04 = 155,689.80/x - Step 3: Cross multiply
284,743.00x = 392,946.04 × 155,689.80 - Step 4: Simplify right side
284,743.00x = 61,177,689,785.25 - Step 5: Solve for x
x = 61,177,689,785.25/284,743.00 - Step 6: Final answer
x = 214,852.31
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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.