Finding the Fourth Proportional to 579,456.09, 869,308.70 and 195,243.12
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Solution
The fourth proportional to 579,456.09, 869,308.70 and 195,243.12 is: 292,906.65
Step by Step Solution
- Step 1: Write the proportion equation
579,456.09 : 869,308.70 = 195,243.12 : x - Step 2: Convert to fraction form
579,456.09/869,308.70 = 195,243.12/x - Step 3: Cross multiply
579,456.09x = 869,308.70 × 195,243.12 - Step 4: Simplify right side
579,456.09x = 169,726,541,854.93 - Step 5: Solve for x
x = 169,726,541,854.93/579,456.09 - Step 6: Final answer
x = 292,906.65
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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.