Finding the Fourth Proportional to 432,888.75, 649,314.66 and 422,751.99
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Solution
The fourth proportional to 432,888.75, 649,314.66 and 422,751.99 is: 634,109.95
Step by Step Solution
- Step 1: Write the proportion equation
432,888.75 : 649,314.66 = 422,751.99 : x - Step 2: Convert to fraction form
432,888.75/649,314.66 = 422,751.99/x - Step 3: Cross multiply
432,888.75x = 649,314.66 × 422,751.99 - Step 4: Simplify right side
432,888.75x = 274,499,064,651.17 - Step 5: Solve for x
x = 274,499,064,651.17/432,888.75 - Step 6: Final answer
x = 634,109.95
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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.