Finding the Fourth Proportional to 461,787.87, 637,261.17 and 257,842.26
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Solution
The fourth proportional to 461,787.87, 637,261.17 and 257,842.26 is: 355,818.92
Step by Step Solution
- Step 1: Write the proportion equation
461,787.87 : 637,261.17 = 257,842.26 : x - Step 2: Convert to fraction form
461,787.87/637,261.17 = 257,842.26/x - Step 3: Cross multiply
461,787.87x = 637,261.17 × 257,842.26 - Step 4: Simplify right side
461,787.87x = 164,312,860,283.04 - Step 5: Solve for x
x = 164,312,860,283.04/461,787.87 - Step 6: Final answer
x = 355,818.92
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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.