Finding the Fourth Proportional to 284,466.74, 392,530.66 and 157,134.74
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Solution
The fourth proportional to 284,466.74, 392,530.66 and 157,134.74 is: 216,827.46
Step by Step Solution
- Step 1: Write the proportion equation
284,466.74 : 392,530.66 = 157,134.74 : x - Step 2: Convert to fraction form
284,466.74/392,530.66 = 157,134.74/x - Step 3: Cross multiply
284,466.74x = 392,530.66 × 157,134.74 - Step 4: Simplify right side
284,466.74x = 61,680,200,845.64 - Step 5: Solve for x
x = 61,680,200,845.64/284,466.74 - Step 6: Final answer
x = 216,827.46
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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.