Finding the Fourth Proportional to 345,294.12, 476,551.30 and 194,420.52
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Solution
The fourth proportional to 345,294.12, 476,551.30 and 194,420.52 is: 268,325.89
Step by Step Solution
- Step 1: Write the proportion equation
345,294.12 : 476,551.30 = 194,420.52 : x - Step 2: Convert to fraction form
345,294.12/476,551.30 = 194,420.52/x - Step 3: Cross multiply
345,294.12x = 476,551.30 × 194,420.52 - Step 4: Simplify right side
345,294.12x = 92,651,351,552.68 - Step 5: Solve for x
x = 92,651,351,552.68/345,294.12 - Step 6: Final answer
x = 268,325.89
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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.