Finding the Fourth Proportional to 479,641.65, 661,888.11 and 264,777.09
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Solution
The fourth proportional to 479,641.65, 661,888.11 and 264,777.09 is: 365,382.80
Step by Step Solution
- Step 1: Write the proportion equation
479,641.65 : 661,888.11 = 264,777.09 : x - Step 2: Convert to fraction form
479,641.65/661,888.11 = 264,777.09/x - Step 3: Cross multiply
479,641.65x = 661,888.11 × 264,777.09 - Step 4: Simplify right side
479,641.65x = 175,252,807,671.40 - Step 5: Solve for x
x = 175,252,807,671.40/479,641.65 - Step 6: Final answer
x = 365,382.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.