Finding the Fourth Proportional to 658,395.41, 987,658.79 and 178,630.70
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Solution
The fourth proportional to 658,395.41, 987,658.79 and 178,630.70 is: 267,963.86
Step by Step Solution
- Step 1: Write the proportion equation
658,395.41 : 987,658.79 = 178,630.70 : x - Step 2: Convert to fraction form
658,395.41/987,658.79 = 178,630.70/x - Step 3: Cross multiply
658,395.41x = 987,658.79 × 178,630.70 - Step 4: Simplify right side
658,395.41x = 176,426,175,187.41 - Step 5: Solve for x
x = 176,426,175,187.41/658,395.41 - Step 6: Final answer
x = 267,963.86
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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.