Finding the Fourth Proportional to 104,567.36, 144,302.11 and 56,819.68
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Solution
The fourth proportional to 104,567.36, 144,302.11 and 56,819.68 is: 78,410.70
Step by Step Solution
- Step 1: Write the proportion equation
104,567.36 : 144,302.11 = 56,819.68 : x - Step 2: Convert to fraction form
104,567.36/144,302.11 = 56,819.68/x - Step 3: Cross multiply
104,567.36x = 144,302.11 × 56,819.68 - Step 4: Simplify right side
104,567.36x = 8,199,199,210.72 - Step 5: Solve for x
x = 8,199,199,210.72/104,567.36 - Step 6: Final answer
x = 78,410.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.