Finding the Fourth Proportional to 471,929.12, 651,243.76 and 288,474.82
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Solution
The fourth proportional to 471,929.12, 651,243.76 and 288,474.82 is: 398,083.99
Step by Step Solution
- Step 1: Write the proportion equation
471,929.12 : 651,243.76 = 288,474.82 : x - Step 2: Convert to fraction form
471,929.12/651,243.76 = 288,474.82/x - Step 3: Cross multiply
471,929.12x = 651,243.76 × 288,474.82 - Step 4: Simplify right side
471,929.12x = 187,867,426,442.12 - Step 5: Solve for x
x = 187,867,426,442.12/471,929.12 - Step 6: Final answer
x = 398,083.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.