Finding the Fourth Proportional to 266,318.08, 399,534.72 and 79,344.64
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Solution
The fourth proportional to 266,318.08, 399,534.72 and 79,344.64 is: 119,034.12
Step by Step Solution
- Step 1: Write the proportion equation
266,318.08 : 399,534.72 = 79,344.64 : x - Step 2: Convert to fraction form
266,318.08/399,534.72 = 79,344.64/x - Step 3: Cross multiply
266,318.08x = 399,534.72 × 79,344.64 - Step 4: Simplify right side
266,318.08x = 31,700,938,525.90 - Step 5: Solve for x
x = 31,700,938,525.90/266,318.08 - Step 6: Final answer
x = 119,034.12
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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.