Finding the Fourth Proportional to 419,202.75, 578,645.61 and 249,433.23
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Solution
The fourth proportional to 419,202.75, 578,645.61 and 249,433.23 is: 344,304.62
Step by Step Solution
- Step 1: Write the proportion equation
419,202.75 : 578,645.61 = 249,433.23 : x - Step 2: Convert to fraction form
419,202.75/578,645.61 = 249,433.23/x - Step 3: Cross multiply
419,202.75x = 578,645.61 × 249,433.23 - Step 4: Simplify right side
419,202.75x = 144,333,443,527.62 - Step 5: Solve for x
x = 144,333,443,527.62/419,202.75 - Step 6: Final answer
x = 344,304.62
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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.