Finding the Fourth Proportional to 589,069.75, 883,604.64 and 145,837.75
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Solution
The fourth proportional to 589,069.75, 883,604.64 and 145,837.75 is: 218,756.63
Step by Step Solution
- Step 1: Write the proportion equation
589,069.75 : 883,604.64 = 145,837.75 : x - Step 2: Convert to fraction form
589,069.75/883,604.64 = 145,837.75/x - Step 3: Cross multiply
589,069.75x = 883,604.64 × 145,837.75 - Step 4: Simplify right side
589,069.75x = 128,862,912,587.16 - Step 5: Solve for x
x = 128,862,912,587.16/589,069.75 - Step 6: Final answer
x = 218,756.63
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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.