Finding the Fourth Proportional to 292,446.66, 438,844.98 and 268,652.10
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Solution
The fourth proportional to 292,446.66, 438,844.98 and 268,652.10 is: 403,138.90
Step by Step Solution
- Step 1: Write the proportion equation
292,446.66 : 438,844.98 = 268,652.10 : x - Step 2: Convert to fraction form
292,446.66/438,844.98 = 268,652.10/x - Step 3: Cross multiply
292,446.66x = 438,844.98 × 268,652.10 - Step 4: Simplify right side
292,446.66x = 117,896,625,451.46 - Step 5: Solve for x
x = 117,896,625,451.46/292,446.66 - Step 6: Final answer
x = 403,138.90
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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.