Finding the Fourth Proportional to 353,099.63, 487,120.11 and 235,258.59
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Solution
The fourth proportional to 353,099.63, 487,120.11 and 235,258.59 is: 324,552.00
Step by Step Solution
- Step 1: Write the proportion equation
353,099.63 : 487,120.11 = 235,258.59 : x - Step 2: Convert to fraction form
353,099.63/487,120.11 = 235,258.59/x - Step 3: Cross multiply
353,099.63x = 487,120.11 × 235,258.59 - Step 4: Simplify right side
353,099.63x = 114,599,190,239.25 - Step 5: Solve for x
x = 114,599,190,239.25/353,099.63 - Step 6: Final answer
x = 324,552.00
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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.