Finding the Fourth Proportional to 359,146.12, 495,606.70 and 195,799.09
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Solution
The fourth proportional to 359,146.12, 495,606.70 and 195,799.09 is: 270,194.59
Step by Step Solution
- Step 1: Write the proportion equation
359,146.12 : 495,606.70 = 195,799.09 : x - Step 2: Convert to fraction form
359,146.12/495,606.70 = 195,799.09/x - Step 3: Cross multiply
359,146.12x = 495,606.70 × 195,799.09 - Step 4: Simplify right side
359,146.12x = 97,039,338,379.87 - Step 5: Solve for x
x = 97,039,338,379.87/359,146.12 - Step 6: Final answer
x = 270,194.59
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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.