Finding the Fourth Proportional to 480,365.73, 720,651.51 and 143,432.91
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Solution
The fourth proportional to 480,365.73, 720,651.51 and 143,432.91 is: 215,180.09
Step by Step Solution
- Step 1: Write the proportion equation
480,365.73 : 720,651.51 = 143,432.91 : x - Step 2: Convert to fraction form
480,365.73/720,651.51 = 143,432.91/x - Step 3: Cross multiply
480,365.73x = 720,651.51 × 143,432.91 - Step 4: Simplify right side
480,365.73x = 103,365,143,175.19 - Step 5: Solve for x
x = 103,365,143,175.19/480,365.73 - Step 6: Final answer
x = 215,180.09
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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.