Finding the Fourth Proportional to 173,433.40, 239,336.64 and 121,823.02
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Solution
The fourth proportional to 173,433.40, 239,336.64 and 121,823.02 is: 168,114.75
Step by Step Solution
- Step 1: Write the proportion equation
173,433.40 : 239,336.64 = 121,823.02 : x - Step 2: Convert to fraction form
173,433.40/239,336.64 = 121,823.02/x - Step 3: Cross multiply
173,433.40x = 239,336.64 × 121,823.02 - Step 4: Simplify right side
173,433.40x = 29,156,712,281.45 - Step 5: Solve for x
x = 29,156,712,281.45/173,433.40 - Step 6: Final answer
x = 168,114.75
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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.