Finding the Fourth Proportional to 291,934.26, 437,898.74 and 92,254.68
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Solution
The fourth proportional to 291,934.26, 437,898.74 and 92,254.68 is: 138,381.18
Step by Step Solution
- Step 1: Write the proportion equation
291,934.26 : 437,898.74 = 92,254.68 : x - Step 2: Convert to fraction form
291,934.26/437,898.74 = 92,254.68/x - Step 3: Cross multiply
291,934.26x = 437,898.74 × 92,254.68 - Step 4: Simplify right side
291,934.26x = 40,398,208,131.10 - Step 5: Solve for x
x = 40,398,208,131.10/291,934.26 - Step 6: Final answer
x = 138,381.18
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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.