Finding the Fourth Proportional to 496,998.84, 745,071.30 and 172,744.80
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Solution
The fourth proportional to 496,998.84, 745,071.30 and 172,744.80 is: 258,968.80
Step by Step Solution
- Step 1: Write the proportion equation
496,998.84 : 745,071.30 = 172,744.80 : x - Step 2: Convert to fraction form
496,998.84/745,071.30 = 172,744.80/x - Step 3: Cross multiply
496,998.84x = 745,071.30 × 172,744.80 - Step 4: Simplify right side
496,998.84x = 128,707,192,704.24 - Step 5: Solve for x
x = 128,707,192,704.24/496,998.84 - Step 6: Final answer
x = 258,968.80
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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.