Finding the Fourth Proportional to 284,620.08, 392,752.08 and 157,295.64
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Solution
The fourth proportional to 284,620.08, 392,752.08 and 157,295.64 is: 217,054.92
Step by Step Solution
- Step 1: Write the proportion equation
284,620.08 : 392,752.08 = 157,295.64 : x - Step 2: Convert to fraction form
284,620.08/392,752.08 = 157,295.64/x - Step 3: Cross multiply
284,620.08x = 392,752.08 × 157,295.64 - Step 4: Simplify right side
284,620.08x = 61,778,189,784.93 - Step 5: Solve for x
x = 61,778,189,784.93/284,620.08 - Step 6: Final answer
x = 217,054.92
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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.