Finding the Fourth Proportional to 589,107.75, 883,661.64 and 145,875.75
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Solution
The fourth proportional to 589,107.75, 883,661.64 and 145,875.75 is: 218,813.63
Step by Step Solution
- Step 1: Write the proportion equation
589,107.75 : 883,661.64 = 145,875.75 : x - Step 2: Convert to fraction form
589,107.75/883,661.64 = 145,875.75/x - Step 3: Cross multiply
589,107.75x = 883,661.64 × 145,875.75 - Step 4: Simplify right side
589,107.75x = 128,904,804,481.23 - Step 5: Solve for x
x = 128,904,804,481.23/589,107.75 - Step 6: Final answer
x = 218,813.63
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Similar ratio
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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.