Finding the Fourth Proportional to 542,965.08, 749,291.91 and 301,247.08
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Solution
The fourth proportional to 542,965.08, 749,291.91 and 301,247.08 is: 415,721.02
Step by Step Solution
- Step 1: Write the proportion equation
542,965.08 : 749,291.91 = 301,247.08 : x - Step 2: Convert to fraction form
542,965.08/749,291.91 = 301,247.08/x - Step 3: Cross multiply
542,965.08x = 749,291.91 × 301,247.08 - Step 4: Simplify right side
542,965.08x = 225,721,999,059.60 - Step 5: Solve for x
x = 225,721,999,059.60/542,965.08 - Step 6: Final answer
x = 415,721.02
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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.