Finding the Fourth Proportional to 542,261.70, 813,392.55 and 276,541.20
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Solution
The fourth proportional to 542,261.70, 813,392.55 and 276,541.20 is: 414,811.80
Step by Step Solution
- Step 1: Write the proportion equation
542,261.70 : 813,392.55 = 276,541.20 : x - Step 2: Convert to fraction form
542,261.70/813,392.55 = 276,541.20/x - Step 3: Cross multiply
542,261.70x = 813,392.55 × 276,541.20 - Step 4: Simplify right side
542,261.70x = 224,936,551,848.06 - Step 5: Solve for x
x = 224,936,551,848.06/542,261.70 - Step 6: Final answer
x = 414,811.80
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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.