Finding the Fourth Proportional to 658,258.55, 987,422.04 and 209,014.62
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Solution
The fourth proportional to 658,258.55, 987,422.04 and 209,014.62 is: 313,532.79
Step by Step Solution
- Step 1: Write the proportion equation
658,258.55 : 987,422.04 = 209,014.62 : x - Step 2: Convert to fraction form
658,258.55/987,422.04 = 209,014.62/x - Step 3: Cross multiply
658,258.55x = 987,422.04 × 209,014.62 - Step 4: Simplify right side
658,258.55x = 206,385,641,425.15 - Step 5: Solve for x
x = 206,385,641,425.15/658,258.55 - Step 6: Final answer
x = 313,532.79
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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.