Finding the Fourth Proportional to 328,502.23, 492,750.44 and 103,862.82
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Solution
The fourth proportional to 328,502.23, 492,750.44 and 103,862.82 is: 155,793.32
Step by Step Solution
- Step 1: Write the proportion equation
328,502.23 : 492,750.44 = 103,862.82 : x - Step 2: Convert to fraction form
328,502.23/492,750.44 = 103,862.82/x - Step 3: Cross multiply
328,502.23x = 492,750.44 × 103,862.82 - Step 4: Simplify right side
328,502.23x = 51,178,451,972.63 - Step 5: Solve for x
x = 51,178,451,972.63/328,502.23 - Step 6: Final answer
x = 155,793.32
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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.