Finding the Fourth Proportional to 374,296.37, 561,326.80 and 121,518.46
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Solution
The fourth proportional to 374,296.37, 561,326.80 and 121,518.46 is: 182,239.45
Step by Step Solution
- Step 1: Write the proportion equation
374,296.37 : 561,326.80 = 121,518.46 : x - Step 2: Convert to fraction form
374,296.37/561,326.80 = 121,518.46/x - Step 3: Cross multiply
374,296.37x = 561,326.80 × 121,518.46 - Step 4: Simplify right side
374,296.37x = 68,211,565,486.09 - Step 5: Solve for x
x = 68,211,565,486.09/374,296.37 - Step 6: Final answer
x = 182,239.45
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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.