Finding the Fourth Proportional to 284,047.98, 392,128.26 and 176,652.62
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Solution
The fourth proportional to 284,047.98, 392,128.26 and 176,652.62 is: 243,868.95
Step by Step Solution
- Step 1: Write the proportion equation
284,047.98 : 392,128.26 = 176,652.62 : x - Step 2: Convert to fraction form
284,047.98/392,128.26 = 176,652.62/x - Step 3: Cross multiply
284,047.98x = 392,128.26 × 176,652.62 - Step 4: Simplify right side
284,047.98x = 69,270,482,544.40 - Step 5: Solve for x
x = 69,270,482,544.40/284,047.98 - Step 6: Final answer
x = 243,868.95
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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.