Finding the Fourth Proportional to 397,893.93, 549,031.95 and 228,095.25
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Solution
The fourth proportional to 397,893.93, 549,031.95 and 228,095.25 is: 314,736.09
Step by Step Solution
- Step 1: Write the proportion equation
397,893.93 : 549,031.95 = 228,095.25 : x - Step 2: Convert to fraction form
397,893.93/549,031.95 = 228,095.25/x - Step 3: Cross multiply
397,893.93x = 549,031.95 × 228,095.25 - Step 4: Simplify right side
397,893.93x = 125,231,579,893.24 - Step 5: Solve for x
x = 125,231,579,893.24/397,893.93 - Step 6: Final answer
x = 314,736.09
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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.