Finding the Fourth Proportional to 419,107.56, 578,352.36 and 237,808.67
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Solution
The fourth proportional to 419,107.56, 578,352.36 and 237,808.67 is: 328,166.84
Step by Step Solution
- Step 1: Write the proportion equation
419,107.56 : 578,352.36 = 237,808.67 : x - Step 2: Convert to fraction form
419,107.56/578,352.36 = 237,808.67/x - Step 3: Cross multiply
419,107.56x = 578,352.36 × 237,808.67 - Step 4: Simplify right side
419,107.56x = 137,537,205,522.96 - Step 5: Solve for x
x = 137,537,205,522.96/419,107.56 - Step 6: Final answer
x = 328,166.84
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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.