Finding the Fourth Proportional to 293,449.76, 440,240.16 and 106,457.12
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Solution
The fourth proportional to 293,449.76, 440,240.16 and 106,457.12 is: 159,709.45
Step by Step Solution
- Step 1: Write the proportion equation
293,449.76 : 440,240.16 = 106,457.12 : x - Step 2: Convert to fraction form
293,449.76/440,240.16 = 106,457.12/x - Step 3: Cross multiply
293,449.76x = 440,240.16 × 106,457.12 - Step 4: Simplify right side
293,449.76x = 46,866,699,541.94 - Step 5: Solve for x
x = 46,866,699,541.94/293,449.76 - Step 6: Final answer
x = 159,709.45
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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.