Finding the Fourth Proportional to 265,121.40, 365,746.64 and 157,630.34
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Solution
The fourth proportional to 265,121.40, 365,746.64 and 157,630.34 is: 217,457.99
Step by Step Solution
- Step 1: Write the proportion equation
265,121.40 : 365,746.64 = 157,630.34 : x - Step 2: Convert to fraction form
265,121.40/365,746.64 = 157,630.34/x - Step 3: Cross multiply
265,121.40x = 365,746.64 × 157,630.34 - Step 4: Simplify right side
265,121.40x = 57,652,767,217.06 - Step 5: Solve for x
x = 57,652,767,217.06/265,121.40 - Step 6: Final answer
x = 217,457.99
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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.