Finding the Fourth Proportional to 84,605.40, 126,895.80 and 22,275.84
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Solution
The fourth proportional to 84,605.40, 126,895.80 and 22,275.84 is: 33,410.52
Step by Step Solution
- Step 1: Write the proportion equation
84,605.40 : 126,895.80 = 22,275.84 : x - Step 2: Convert to fraction form
84,605.40/126,895.80 = 22,275.84/x - Step 3: Cross multiply
84,605.40x = 126,895.80 × 22,275.84 - Step 4: Simplify right side
84,605.40x = 2,826,710,537.47 - Step 5: Solve for x
x = 2,826,710,537.47/84,605.40 - Step 6: Final answer
x = 33,410.52
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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.