Finding the Fourth Proportional to 487,258.58, 730,887.24 and 132,324.68
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Solution
The fourth proportional to 487,258.58, 730,887.24 and 132,324.68 is: 198,486.85
Step by Step Solution
- Step 1: Write the proportion equation
487,258.58 : 730,887.24 = 132,324.68 : x - Step 2: Convert to fraction form
487,258.58/730,887.24 = 132,324.68/x - Step 3: Cross multiply
487,258.58x = 730,887.24 × 132,324.68 - Step 4: Simplify right side
487,258.58x = 96,714,420,149.08 - Step 5: Solve for x
x = 96,714,420,149.08/487,258.58 - Step 6: Final answer
x = 198,486.85
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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.