Finding the Fourth Proportional to 284,325.28, 392,368.88 and 157,001.12
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Solution
The fourth proportional to 284,325.28, 392,368.88 and 157,001.12 is: 216,661.54
Step by Step Solution
- Step 1: Write the proportion equation
284,325.28 : 392,368.88 = 157,001.12 : x - Step 2: Convert to fraction form
284,325.28/392,368.88 = 157,001.12/x - Step 3: Cross multiply
284,325.28x = 392,368.88 × 157,001.12 - Step 4: Simplify right side
284,325.28x = 61,602,353,613.15 - Step 5: Solve for x
x = 61,602,353,613.15/284,325.28 - Step 6: Final answer
x = 216,661.54
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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.