Finding the Fourth Proportional to 542,164.68, 748,188.99 and 300,451.23
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Solution
The fourth proportional to 542,164.68, 748,188.99 and 300,451.23 is: 414,623.66
Step by Step Solution
- Step 1: Write the proportion equation
542,164.68 : 748,188.99 = 300,451.23 : x - Step 2: Convert to fraction form
542,164.68/748,188.99 = 300,451.23/x - Step 3: Cross multiply
542,164.68x = 748,188.99 × 300,451.23 - Step 4: Simplify right side
542,164.68x = 224,794,302,317.96 - Step 5: Solve for x
x = 224,794,302,317.96/542,164.68 - Step 6: Final answer
x = 414,623.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.