Finding the Fourth Proportional to 292,246.48, 403,296.16 and 163,186.94
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Solution
The fourth proportional to 292,246.48, 403,296.16 and 163,186.94 is: 225,195.75
Step by Step Solution
- Step 1: Write the proportion equation
292,246.48 : 403,296.16 = 163,186.94 : x - Step 2: Convert to fraction form
292,246.48/403,296.16 = 163,186.94/x - Step 3: Cross multiply
292,246.48x = 403,296.16 × 163,186.94 - Step 4: Simplify right side
292,246.48x = 65,812,666,264.15 - Step 5: Solve for x
x = 65,812,666,264.15/292,246.48 - Step 6: Final answer
x = 225,195.75
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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.