Finding the Fourth Proportional to 247,802.75, 341,974.79 and 140,372.75
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Solution
The fourth proportional to 247,802.75, 341,974.79 and 140,372.75 is: 193,718.35
Step by Step Solution
- Step 1: Write the proportion equation
247,802.75 : 341,974.79 = 140,372.75 : x - Step 2: Convert to fraction form
247,802.75/341,974.79 = 140,372.75/x - Step 3: Cross multiply
247,802.75x = 341,974.79 × 140,372.75 - Step 4: Simplify right side
247,802.75x = 48,003,939,291.23 - Step 5: Solve for x
x = 48,003,939,291.23/247,802.75 - Step 6: Final answer
x = 193,718.35
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1.5x scale
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.