Finding the Fourth Proportional to 284,446.08, 392,528.16 and 157,101.12
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Solution
The fourth proportional to 284,446.08, 392,528.16 and 157,101.12 is: 216,795.44
Step by Step Solution
- Step 1: Write the proportion equation
284,446.08 : 392,528.16 = 157,101.12 : x - Step 2: Convert to fraction form
284,446.08/392,528.16 = 157,101.12/x - Step 3: Cross multiply
284,446.08x = 392,528.16 × 157,101.12 - Step 4: Simplify right side
284,446.08x = 61,666,613,567.54 - Step 5: Solve for x
x = 61,666,613,567.54/284,446.08 - Step 6: Final answer
x = 216,795.44
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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.