Finding the Fourth Proportional to 442,276.58, 609,859.35 and 298,787.48
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Solution
The fourth proportional to 442,276.58, 609,859.35 and 298,787.48 is: 412,000.88
Step by Step Solution
- Step 1: Write the proportion equation
442,276.58 : 609,859.35 = 298,787.48 : x - Step 2: Convert to fraction form
442,276.58/609,859.35 = 298,787.48/x - Step 3: Cross multiply
442,276.58x = 609,859.35 × 298,787.48 - Step 4: Simplify right side
442,276.58x = 182,218,338,340.94 - Step 5: Solve for x
x = 182,218,338,340.94/442,276.58 - Step 6: Final answer
x = 412,000.88
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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.