Finding the Fourth Proportional to 284,623.08, 426,934.16 and 74,261.01
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Solution
The fourth proportional to 284,623.08, 426,934.16 and 74,261.01 is: 111,391.39
Step by Step Solution
- Step 1: Write the proportion equation
284,623.08 : 426,934.16 = 74,261.01 : x - Step 2: Convert to fraction form
284,623.08/426,934.16 = 74,261.01/x - Step 3: Cross multiply
284,623.08x = 426,934.16 × 74,261.01 - Step 4: Simplify right side
284,623.08x = 31,704,561,925.10 - Step 5: Solve for x
x = 31,704,561,925.10/284,623.08 - Step 6: Final answer
x = 111,391.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.