Finding the Fourth Proportional to 266,536.60, 399,874.08 and 79,548.10
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Solution
The fourth proportional to 266,536.60, 399,874.08 and 79,548.10 is: 119,342.80
Step by Step Solution
- Step 1: Write the proportion equation
266,536.60 : 399,874.08 = 79,548.10 : x - Step 2: Convert to fraction form
266,536.60/399,874.08 = 79,548.10/x - Step 3: Cross multiply
266,536.60x = 399,874.08 × 79,548.10 - Step 4: Simplify right side
266,536.60x = 31,809,223,303.25 - Step 5: Solve for x
x = 31,809,223,303.25/266,536.60 - Step 6: Final answer
x = 119,342.80
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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.