Finding the Fourth Proportional to 274,228.92, 378,420.12 and 151,714.08
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Solution
The fourth proportional to 274,228.92, 378,420.12 and 151,714.08 is: 209,356.69
Step by Step Solution
- Step 1: Write the proportion equation
274,228.92 : 378,420.12 = 151,714.08 : x - Step 2: Convert to fraction form
274,228.92/378,420.12 = 151,714.08/x - Step 3: Cross multiply
274,228.92x = 378,420.12 × 151,714.08 - Step 4: Simplify right side
274,228.92x = 57,411,660,359.29 - Step 5: Solve for x
x = 57,411,660,359.29/274,228.92 - Step 6: Final answer
x = 209,356.69
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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.