Finding the Fourth Proportional to 620,030.73, 930,046.16 and 193,603.09
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Solution
The fourth proportional to 620,030.73, 930,046.16 and 193,603.09 is: 290,404.65
Step by Step Solution
- Step 1: Write the proportion equation
620,030.73 : 930,046.16 = 193,603.09 : x - Step 2: Convert to fraction form
620,030.73/930,046.16 = 193,603.09/x - Step 3: Cross multiply
620,030.73x = 930,046.16 × 193,603.09 - Step 4: Simplify right side
620,030.73x = 180,059,806,782.76 - Step 5: Solve for x
x = 180,059,806,782.76/620,030.73 - Step 6: Final answer
x = 290,404.65
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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.