Finding the Fourth Proportional to 542,173.24, 748,203.47 and 300,459.79
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Solution
The fourth proportional to 542,173.24, 748,203.47 and 300,459.79 is: 414,636.95
Step by Step Solution
- Step 1: Write the proportion equation
542,173.24 : 748,203.47 = 300,459.79 : x - Step 2: Convert to fraction form
542,173.24/748,203.47 = 300,459.79/x - Step 3: Cross multiply
542,173.24x = 748,203.47 × 300,459.79 - Step 4: Simplify right side
542,173.24x = 224,805,056,354.11 - Step 5: Solve for x
x = 224,805,056,354.11/542,173.24 - Step 6: Final answer
x = 414,636.95
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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.