Finding the Fourth Proportional to 328,643.84, 492,927.68 and 92,005.44
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Solution
The fourth proportional to 328,643.84, 492,927.68 and 92,005.44 is: 137,997.50
Step by Step Solution
- Step 1: Write the proportion equation
328,643.84 : 492,927.68 = 92,005.44 : x - Step 2: Convert to fraction form
328,643.84/492,927.68 = 92,005.44/x - Step 3: Cross multiply
328,643.84x = 492,927.68 × 92,005.44 - Step 4: Simplify right side
328,643.84x = 45,352,028,086.58 - Step 5: Solve for x
x = 45,352,028,086.58/328,643.84 - Step 6: Final answer
x = 137,997.50
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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.