Finding the Fourth Proportional to 218,405.01, 301,349.04 and 122,876.85
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Solution
The fourth proportional to 218,405.01, 301,349.04 and 122,876.85 is: 169,541.99
Step by Step Solution
- Step 1: Write the proportion equation
218,405.01 : 301,349.04 = 122,876.85 : x - Step 2: Convert to fraction form
218,405.01/301,349.04 = 122,876.85/x - Step 3: Cross multiply
218,405.01x = 301,349.04 × 122,876.85 - Step 4: Simplify right side
218,405.01x = 37,028,818,664.59 - Step 5: Solve for x
x = 37,028,818,664.59/218,405.01 - Step 6: Final answer
x = 169,541.99
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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.