Finding the Fourth Proportional to 869,149.80, 1,303,724.70 and 834,157.80
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Solution
The fourth proportional to 869,149.80, 1,303,724.70 and 834,157.80 is: 1,251,236.70
Step by Step Solution
- Step 1: Write the proportion equation
869,149.80 : 1,303,724.70 = 834,157.80 : x - Step 2: Convert to fraction form
869,149.80/1,303,724.70 = 834,157.80/x - Step 3: Cross multiply
869,149.80x = 1,303,724.70 × 834,157.80 - Step 4: Simplify right side
869,149.80x = 1,087,512,127,557.66 - Step 5: Solve for x
x = 1,087,512,127,557.66/869,149.80 - Step 6: Final answer
x = 1,251,236.70
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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.