Finding the Fourth Proportional to 382,319.21, 572,691.36 and 224,166.31
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Solution
The fourth proportional to 382,319.21, 572,691.36 and 224,166.31 is: 335,787.75
Step by Step Solution
- Step 1: Write the proportion equation
382,319.21 : 572,691.36 = 224,166.31 : x - Step 2: Convert to fraction form
382,319.21/572,691.36 = 224,166.31/x - Step 3: Cross multiply
382,319.21x = 572,691.36 × 224,166.31 - Step 4: Simplify right side
382,319.21x = 128,378,108,940.08 - Step 5: Solve for x
x = 128,378,108,940.08/382,319.21 - Step 6: Final answer
x = 335,787.75
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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.