Finding the Fourth Proportional to 479,062.74, 718,471.49 and 142,024.62
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Solution
The fourth proportional to 479,062.74, 718,471.49 and 142,024.62 is: 213,000.58
Step by Step Solution
- Step 1: Write the proportion equation
479,062.74 : 718,471.49 = 142,024.62 : x - Step 2: Convert to fraction form
479,062.74/718,471.49 = 142,024.62/x - Step 3: Cross multiply
479,062.74x = 718,471.49 × 142,024.62 - Step 4: Simplify right side
479,062.74x = 102,040,639,637.96 - Step 5: Solve for x
x = 102,040,639,637.96/479,062.74 - Step 6: Final answer
x = 213,000.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.