Finding the Fourth Proportional to 147,263.75, 220,895.63 and 36,455.75
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Solution
The fourth proportional to 147,263.75, 220,895.63 and 36,455.75 is: 54,683.63
Step by Step Solution
- Step 1: Write the proportion equation
147,263.75 : 220,895.63 = 36,455.75 : x - Step 2: Convert to fraction form
147,263.75/220,895.63 = 36,455.75/x - Step 3: Cross multiply
147,263.75x = 220,895.63 × 36,455.75 - Step 4: Simplify right side
147,263.75x = 8,052,915,681.09 - Step 5: Solve for x
x = 8,052,915,681.09/147,263.75 - Step 6: Final answer
x = 54,683.63
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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.