Finding the Fourth Proportional to 561,682.08, 775,133.28 and 307,056.96
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Solution
The fourth proportional to 561,682.08, 775,133.28 and 307,056.96 is: 423,745.17
Step by Step Solution
- Step 1: Write the proportion equation
561,682.08 : 775,133.28 = 307,056.96 : x - Step 2: Convert to fraction form
561,682.08/775,133.28 = 307,056.96/x - Step 3: Cross multiply
561,682.08x = 775,133.28 × 307,056.96 - Step 4: Simplify right side
561,682.08x = 238,010,068,551.63 - Step 5: Solve for x
x = 238,010,068,551.63/561,682.08 - Step 6: Final answer
x = 423,745.17
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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.