Finding the Fourth Proportional to 345,437.11, 476,901.01 and 230,909.75
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Solution
The fourth proportional to 345,437.11, 476,901.01 and 230,909.75 is: 318,787.67
Step by Step Solution
- Step 1: Write the proportion equation
345,437.11 : 476,901.01 = 230,909.75 : x - Step 2: Convert to fraction form
345,437.11/476,901.01 = 230,909.75/x - Step 3: Cross multiply
345,437.11x = 476,901.01 × 230,909.75 - Step 4: Simplify right side
345,437.11x = 110,121,092,993.85 - Step 5: Solve for x
x = 110,121,092,993.85/345,437.11 - Step 6: Final answer
x = 318,787.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.