Finding the Fourth Proportional to 423,293.54, 634,943.87 and 107,750.50
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Solution
The fourth proportional to 423,293.54, 634,943.87 and 107,750.50 is: 161,626.66
Step by Step Solution
- Step 1: Write the proportion equation
423,293.54 : 634,943.87 = 107,750.50 : x - Step 2: Convert to fraction form
423,293.54/634,943.87 = 107,750.50/x - Step 3: Cross multiply
423,293.54x = 634,943.87 × 107,750.50 - Step 4: Simplify right side
423,293.54x = 68,415,519,464.44 - Step 5: Solve for x
x = 68,415,519,464.44/423,293.54 - Step 6: Final answer
x = 161,626.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.