Finding the Fourth Proportional to 497,057.68, 745,611.08 and 142,123.92
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Solution
The fourth proportional to 497,057.68, 745,611.08 and 142,123.92 is: 213,192.90
Step by Step Solution
- Step 1: Write the proportion equation
497,057.68 : 745,611.08 = 142,123.92 : x - Step 2: Convert to fraction form
497,057.68/745,611.08 = 142,123.92/x - Step 3: Cross multiply
497,057.68x = 745,611.08 × 142,123.92 - Step 4: Simplify right side
497,057.68x = 105,969,169,485.03 - Step 5: Solve for x
x = 105,969,169,485.03/497,057.68 - Step 6: Final answer
x = 213,192.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.