Finding the Fourth Proportional to 422,237.48, 633,397.79 and 122,720.67
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Solution
The fourth proportional to 422,237.48, 633,397.79 and 122,720.67 is: 184,093.09
Step by Step Solution
- Step 1: Write the proportion equation
422,237.48 : 633,397.79 = 122,720.67 : x - Step 2: Convert to fraction form
422,237.48/633,397.79 = 122,720.67/x - Step 3: Cross multiply
422,237.48x = 633,397.79 × 122,720.67 - Step 4: Simplify right side
422,237.48x = 77,731,001,472.12 - Step 5: Solve for x
x = 77,731,001,472.12/422,237.48 - Step 6: Final answer
x = 184,093.09
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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.