Finding the Fourth Proportional to 185,795.12, 256,503.49 and 122,317.44
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Solution
The fourth proportional to 185,795.12, 256,503.49 and 122,317.44 is: 168,868.00
Step by Step Solution
- Step 1: Write the proportion equation
185,795.12 : 256,503.49 = 122,317.44 : x - Step 2: Convert to fraction form
185,795.12/256,503.49 = 122,317.44/x - Step 3: Cross multiply
185,795.12x = 256,503.49 × 122,317.44 - Step 4: Simplify right side
185,795.12x = 31,374,849,942.07 - Step 5: Solve for x
x = 31,374,849,942.07/185,795.12 - Step 6: Final answer
x = 168,868.00
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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.