Finding the Fourth Proportional to 307,620.92, 461,428.52 and 97,258.88
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Solution
The fourth proportional to 307,620.92, 461,428.52 and 97,258.88 is: 145,887.42
Step by Step Solution
- Step 1: Write the proportion equation
307,620.92 : 461,428.52 = 97,258.88 : x - Step 2: Convert to fraction form
307,620.92/461,428.52 = 97,258.88/x - Step 3: Cross multiply
307,620.92x = 461,428.52 × 97,258.88 - Step 4: Simplify right side
307,620.92x = 44,878,021,055.26 - Step 5: Solve for x
x = 44,878,021,055.26/307,620.92 - Step 6: Final answer
x = 145,887.42
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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.