Finding the Fourth Proportional to 266,290.09, 399,558.60 and 116,510.65
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Solution
The fourth proportional to 266,290.09, 399,558.60 and 116,510.65 is: 174,819.99
Step by Step Solution
- Step 1: Write the proportion equation
266,290.09 : 399,558.60 = 116,510.65 : x - Step 2: Convert to fraction form
266,290.09/399,558.60 = 116,510.65/x - Step 3: Cross multiply
266,290.09x = 399,558.60 × 116,510.65 - Step 4: Simplify right side
266,290.09x = 46,552,831,200.19 - Step 5: Solve for x
x = 46,552,831,200.19/266,290.09 - Step 6: Final answer
x = 174,819.99
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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.