Finding the Fourth Proportional to 284,526.22, 392,661.93 and 157,199.08
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Solution
The fourth proportional to 284,526.22, 392,661.93 and 157,199.08 is: 216,943.43
Step by Step Solution
- Step 1: Write the proportion equation
284,526.22 : 392,661.93 = 157,199.08 : x - Step 2: Convert to fraction form
284,526.22/392,661.93 = 157,199.08/x - Step 3: Cross multiply
284,526.22x = 392,661.93 × 157,199.08 - Step 4: Simplify right side
284,526.22x = 61,726,094,147.02 - Step 5: Solve for x
x = 61,726,094,147.02/284,526.22 - Step 6: Final answer
x = 216,943.43
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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.