Finding the Fourth Proportional to 905,588.08, 1,358,428.64 and 231,675.20
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Solution
The fourth proportional to 905,588.08, 1,358,428.64 and 231,675.20 is: 347,524.70
Step by Step Solution
- Step 1: Write the proportion equation
905,588.08 : 1,358,428.64 = 231,675.20 : x - Step 2: Convert to fraction form
905,588.08/1,358,428.64 = 231,675.20/x - Step 3: Cross multiply
905,588.08x = 1,358,428.64 × 231,675.20 - Step 4: Simplify right side
905,588.08x = 314,714,226,857.73 - Step 5: Solve for x
x = 314,714,226,857.73/905,588.08 - Step 6: Final answer
x = 347,524.70
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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.