Finding the Fourth Proportional to 542,439.33, 813,713.67 and 143,107.71
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Solution
The fourth proportional to 542,439.33, 813,713.67 and 143,107.71 is: 214,675.99
Step by Step Solution
- Step 1: Write the proportion equation
542,439.33 : 813,713.67 = 143,107.71 : x - Step 2: Convert to fraction form
542,439.33/813,713.67 = 143,107.71/x - Step 3: Cross multiply
542,439.33x = 813,713.67 × 143,107.71 - Step 4: Simplify right side
542,439.33x = 116,448,699,909.40 - Step 5: Solve for x
x = 116,448,699,909.40/542,439.33 - Step 6: Final answer
x = 214,675.99
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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.