Finding the Fourth Proportional to 282,403.58, 423,605.36 and 132,747.17
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Solution
The fourth proportional to 282,403.58, 423,605.36 and 132,747.17 is: 199,120.75
Step by Step Solution
- Step 1: Write the proportion equation
282,403.58 : 423,605.36 = 132,747.17 : x - Step 2: Convert to fraction form
282,403.58/423,605.36 = 132,747.17/x - Step 3: Cross multiply
282,403.58x = 423,605.36 × 132,747.17 - Step 4: Simplify right side
282,403.58x = 56,232,410,950.67 - Step 5: Solve for x
x = 56,232,410,950.67/282,403.58 - Step 6: Final answer
x = 199,120.75
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1.5x scale
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.