Finding the Fourth Proportional to 215,888.06, 297,924.94 and 120,394.87
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Solution
The fourth proportional to 215,888.06, 297,924.94 and 120,394.87 is: 166,144.60
Step by Step Solution
- Step 1: Write the proportion equation
215,888.06 : 297,924.94 = 120,394.87 : x - Step 2: Convert to fraction form
215,888.06/297,924.94 = 120,394.87/x - Step 3: Cross multiply
215,888.06x = 297,924.94 × 120,394.87 - Step 4: Simplify right side
215,888.06x = 35,868,634,421.06 - Step 5: Solve for x
x = 35,868,634,421.06/215,888.06 - Step 6: Final answer
x = 166,144.60
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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.