Finding the Fourth Proportional to 284,607.09, 392,759.01 and 155,548.17
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Solution
The fourth proportional to 284,607.09, 392,759.01 and 155,548.17 is: 214,657.14
Step by Step Solution
- Step 1: Write the proportion equation
284,607.09 : 392,759.01 = 155,548.17 : x - Step 2: Convert to fraction form
284,607.09/392,759.01 = 155,548.17/x - Step 3: Cross multiply
284,607.09x = 392,759.01 × 155,548.17 - Step 4: Simplify right side
284,607.09x = 61,092,945,256.51 - Step 5: Solve for x
x = 61,092,945,256.51/284,607.09 - Step 6: Final answer
x = 214,657.14
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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.