Finding the Fourth Proportional to 378,252.64, 567,398.40 and 97,772.32
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Solution
The fourth proportional to 378,252.64, 567,398.40 and 97,772.32 is: 146,663.50
Step by Step Solution
- Step 1: Write the proportion equation
378,252.64 : 567,398.40 = 97,772.32 : x - Step 2: Convert to fraction form
378,252.64/567,398.40 = 97,772.32/x - Step 3: Cross multiply
378,252.64x = 567,398.40 × 97,772.32 - Step 4: Simplify right side
378,252.64x = 55,475,857,932.29 - Step 5: Solve for x
x = 55,475,857,932.29/378,252.64 - Step 6: Final answer
x = 146,663.50
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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.