Finding the Fourth Proportional to 284,235.99, 392,235.37 and 156,908.85
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Solution
The fourth proportional to 284,235.99, 392,235.37 and 156,908.85 is: 216,528.53
Step by Step Solution
- Step 1: Write the proportion equation
284,235.99 : 392,235.37 = 156,908.85 : x - Step 2: Convert to fraction form
284,235.99/392,235.37 = 156,908.85/x - Step 3: Cross multiply
284,235.99x = 392,235.37 × 156,908.85 - Step 4: Simplify right side
284,235.99x = 61,545,200,443.75 - Step 5: Solve for x
x = 61,545,200,443.75/284,235.99 - Step 6: Final answer
x = 216,528.53
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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.