Finding the Fourth Proportional to 156,971.66, 235,457.49 and 46,163.66
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Solution
The fourth proportional to 156,971.66, 235,457.49 and 46,163.66 is: 69,245.49
Step by Step Solution
- Step 1: Write the proportion equation
156,971.66 : 235,457.49 = 46,163.66 : x - Step 2: Convert to fraction form
156,971.66/235,457.49 = 46,163.66/x - Step 3: Cross multiply
156,971.66x = 235,457.49 × 46,163.66 - Step 4: Simplify right side
156,971.66x = 10,869,579,282.00 - Step 5: Solve for x
x = 10,869,579,282.00/156,971.66 - Step 6: Final answer
x = 69,245.49
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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.