Finding the Fourth Proportional to 374,840.00, 517,345.79 and 221,963.05
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Solution
The fourth proportional to 374,840.00, 517,345.79 and 221,963.05 is: 306,348.44
Step by Step Solution
- Step 1: Write the proportion equation
374,840.00 : 517,345.79 = 221,963.05 : x - Step 2: Convert to fraction form
374,840.00/517,345.79 = 221,963.05/x - Step 3: Cross multiply
374,840.00x = 517,345.79 × 221,963.05 - Step 4: Simplify right side
374,840.00x = 114,831,647,049.88 - Step 5: Solve for x
x = 114,831,647,049.88/374,840.00 - Step 6: Final answer
x = 306,348.44
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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.