Finding the Fourth Proportional to 419,855.68, 630,027.38 and 176,678.82
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Solution
The fourth proportional to 419,855.68, 630,027.38 and 176,678.82 is: 265,120.85
Step by Step Solution
- Step 1: Write the proportion equation
419,855.68 : 630,027.38 = 176,678.82 : x - Step 2: Convert to fraction form
419,855.68/630,027.38 = 176,678.82/x - Step 3: Cross multiply
419,855.68x = 630,027.38 × 176,678.82 - Step 4: Simplify right side
419,855.68x = 111,312,494,066.09 - Step 5: Solve for x
x = 111,312,494,066.09/419,855.68 - Step 6: Final answer
x = 265,120.85
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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.