Finding the Fourth Proportional to 486,998.98, 730,105.08 and 202,903.49
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Solution
The fourth proportional to 486,998.98, 730,105.08 and 202,903.49 is: 304,191.34
Step by Step Solution
- Step 1: Write the proportion equation
486,998.98 : 730,105.08 = 202,903.49 : x - Step 2: Convert to fraction form
486,998.98/730,105.08 = 202,903.49/x - Step 3: Cross multiply
486,998.98x = 730,105.08 × 202,903.49 - Step 4: Simplify right side
486,998.98x = 148,140,869,863.10 - Step 5: Solve for x
x = 148,140,869,863.10/486,998.98 - Step 6: Final answer
x = 304,191.34
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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.