Finding the Fourth Proportional to 328,445.00, 492,625.04 and 103,828.08
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Solution
The fourth proportional to 328,445.00, 492,625.04 and 103,828.08 is: 155,728.70
Step by Step Solution
- Step 1: Write the proportion equation
328,445.00 : 492,625.04 = 103,828.08 : x - Step 2: Convert to fraction form
328,445.00/492,625.04 = 103,828.08/x - Step 3: Cross multiply
328,445.00x = 492,625.04 × 103,828.08 - Step 4: Simplify right side
328,445.00x = 51,148,311,543.98 - Step 5: Solve for x
x = 51,148,311,543.98/328,445.00 - Step 6: Final answer
x = 155,728.70
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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.