Finding the Fourth Proportional to 360,393.54, 497,353.46 and 199,258.99
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Solution
The fourth proportional to 360,393.54, 497,353.46 and 199,258.99 is: 274,983.14
Step by Step Solution
- Step 1: Write the proportion equation
360,393.54 : 497,353.46 = 199,258.99 : x - Step 2: Convert to fraction form
360,393.54/497,353.46 = 199,258.99/x - Step 3: Cross multiply
360,393.54x = 497,353.46 × 199,258.99 - Step 4: Simplify right side
360,393.54x = 99,102,148,112.61 - Step 5: Solve for x
x = 99,102,148,112.61/360,393.54 - Step 6: Final answer
x = 274,983.14
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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.