Finding the Fourth Proportional to 533,349.55, 736,090.10 and 303,989.28
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Solution
The fourth proportional to 533,349.55, 736,090.10 and 303,989.28 is: 419,543.80
Step by Step Solution
- Step 1: Write the proportion equation
533,349.55 : 736,090.10 = 303,989.28 : x - Step 2: Convert to fraction form
533,349.55/736,090.10 = 303,989.28/x - Step 3: Cross multiply
533,349.55x = 736,090.10 × 303,989.28 - Step 4: Simplify right side
533,349.55x = 223,763,499,514.13 - Step 5: Solve for x
x = 223,763,499,514.13/533,349.55 - Step 6: Final answer
x = 419,543.80
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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.