Finding the Fourth Proportional to 461,570.15, 692,285.97 and 145,986.05
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Solution
The fourth proportional to 461,570.15, 692,285.97 and 145,986.05 is: 218,957.17
Step by Step Solution
- Step 1: Write the proportion equation
461,570.15 : 692,285.97 = 145,986.05 : x - Step 2: Convert to fraction form
461,570.15/692,285.97 = 145,986.05/x - Step 3: Cross multiply
461,570.15x = 692,285.97 × 145,986.05 - Step 4: Simplify right side
461,570.15x = 101,064,091,383.02 - Step 5: Solve for x
x = 101,064,091,383.02/461,570.15 - Step 6: Final answer
x = 218,957.17
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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.