Finding the Fourth Proportional to 542,884.93, 749,120.79 and 301,106.95
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Solution
The fourth proportional to 542,884.93, 749,120.79 and 301,106.95 is: 415,494.08
Step by Step Solution
- Step 1: Write the proportion equation
542,884.93 : 749,120.79 = 301,106.95 : x - Step 2: Convert to fraction form
542,884.93/749,120.79 = 301,106.95/x - Step 3: Cross multiply
542,884.93x = 749,120.79 × 301,106.95 - Step 4: Simplify right side
542,884.93x = 225,565,476,258.49 - Step 5: Solve for x
x = 225,565,476,258.49/542,884.93 - Step 6: Final answer
x = 415,494.08
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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.