Finding the Fourth Proportional to 542,971.24, 749,299.44 and 301,290.64
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Solution
The fourth proportional to 542,971.24, 749,299.44 and 301,290.64 is: 415,780.60
Step by Step Solution
- Step 1: Write the proportion equation
542,971.24 : 749,299.44 = 301,290.64 : x - Step 2: Convert to fraction form
542,971.24/749,299.44 = 301,290.64/x - Step 3: Cross multiply
542,971.24x = 749,299.44 × 301,290.64 - Step 4: Simplify right side
542,971.24x = 225,756,907,829.24 - Step 5: Solve for x
x = 225,756,907,829.24/542,971.24 - Step 6: Final answer
x = 415,780.60
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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.