Finding the Fourth Proportional to 542,122.63, 748,152.99 and 300,404.59
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Solution
The fourth proportional to 542,122.63, 748,152.99 and 300,404.59 is: 414,571.50
Step by Step Solution
- Step 1: Write the proportion equation
542,122.63 : 748,152.99 = 300,404.59 : x - Step 2: Convert to fraction form
542,122.63/748,152.99 = 300,404.59/x - Step 3: Cross multiply
542,122.63x = 748,152.99 × 300,404.59 - Step 4: Simplify right side
542,122.63x = 224,748,592,218.22 - Step 5: Solve for x
x = 224,748,592,218.22/542,122.63 - Step 6: Final answer
x = 414,571.50
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1.5x scale
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.