Finding the Fourth Proportional to 234,317.67, 351,403.80 and 84,538.49
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Solution
The fourth proportional to 234,317.67, 351,403.80 and 84,538.49 is: 126,781.50
Step by Step Solution
- Step 1: Write the proportion equation
234,317.67 : 351,403.80 = 84,538.49 : x - Step 2: Convert to fraction form
234,317.67/351,403.80 = 84,538.49/x - Step 3: Cross multiply
234,317.67x = 351,403.80 × 84,538.49 - Step 4: Simplify right side
234,317.67x = 29,707,144,875.24 - Step 5: Solve for x
x = 29,707,144,875.24/234,317.67 - Step 6: Final answer
x = 126,781.50
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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.