Finding the Fourth Proportional to 422,243.44, 633,406.65 and 122,726.50
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Solution
The fourth proportional to 422,243.44, 633,406.65 and 122,726.50 is: 184,101.81
Step by Step Solution
- Step 1: Write the proportion equation
422,243.44 : 633,406.65 = 122,726.50 : x - Step 2: Convert to fraction form
422,243.44/633,406.65 = 122,726.50/x - Step 3: Cross multiply
422,243.44x = 633,406.65 × 122,726.50 - Step 4: Simplify right side
422,243.44x = 77,735,781,231.23 - Step 5: Solve for x
x = 77,735,781,231.23/422,243.44 - Step 6: Final answer
x = 184,101.81
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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.