Finding the Fourth Proportional to 479,058.18, 718,464.66 and 142,020.02
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Solution
The fourth proportional to 479,058.18, 718,464.66 and 142,020.02 is: 212,993.67
Step by Step Solution
- Step 1: Write the proportion equation
479,058.18 : 718,464.66 = 142,020.02 : x - Step 2: Convert to fraction form
479,058.18/718,464.66 = 142,020.02/x - Step 3: Cross multiply
479,058.18x = 718,464.66 × 142,020.02 - Step 4: Simplify right side
479,058.18x = 102,036,361,790.17 - Step 5: Solve for x
x = 102,036,361,790.17/479,058.18 - Step 6: Final answer
x = 212,993.67
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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.