Finding the Fourth Proportional to 266,101.80, 399,230.46 and 79,117.80
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Solution
The fourth proportional to 266,101.80, 399,230.46 and 79,117.80 is: 118,699.82
Step by Step Solution
- Step 1: Write the proportion equation
266,101.80 : 399,230.46 = 79,117.80 : x - Step 2: Convert to fraction form
266,101.80/399,230.46 = 79,117.80/x - Step 3: Cross multiply
266,101.80x = 399,230.46 × 79,117.80 - Step 4: Simplify right side
266,101.80x = 31,586,235,688.19 - Step 5: Solve for x
x = 31,586,235,688.19/266,101.80 - Step 6: Final answer
x = 118,699.82
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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.