Finding the Fourth Proportional to 115,420.93, 173,122.74 and 40,541.74
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Solution
The fourth proportional to 115,420.93, 173,122.74 and 40,541.74 is: 60,809.57
Step by Step Solution
- Step 1: Write the proportion equation
115,420.93 : 173,122.74 = 40,541.74 : x - Step 2: Convert to fraction form
115,420.93/173,122.74 = 40,541.74/x - Step 3: Cross multiply
115,420.93x = 173,122.74 × 40,541.74 - Step 4: Simplify right side
115,420.93x = 7,018,696,680.36 - Step 5: Solve for x
x = 7,018,696,680.36/115,420.93 - Step 6: Final answer
x = 60,809.57
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1.5x scale
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.