Finding the Fourth Proportional to 397,258.10, 595,887.15 and 366,931.70
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Solution
The fourth proportional to 397,258.10, 595,887.15 and 366,931.70 is: 550,397.55
Step by Step Solution
- Step 1: Write the proportion equation
397,258.10 : 595,887.15 = 366,931.70 : x - Step 2: Convert to fraction form
397,258.10/595,887.15 = 366,931.70/x - Step 3: Cross multiply
397,258.10x = 595,887.15 × 366,931.70 - Step 4: Simplify right side
397,258.10x = 218,649,884,957.66 - Step 5: Solve for x
x = 218,649,884,957.66/397,258.10 - Step 6: Final answer
x = 550,397.55
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1.5x scale
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.