Finding the Fourth Proportional to 346,367.94, 478,067.45 and 203,174.12
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Solution
The fourth proportional to 346,367.94, 478,067.45 and 203,174.12 is: 280,427.02
Step by Step Solution
- Step 1: Write the proportion equation
346,367.94 : 478,067.45 = 203,174.12 : x - Step 2: Convert to fraction form
346,367.94/478,067.45 = 203,174.12/x - Step 3: Cross multiply
346,367.94x = 478,067.45 × 203,174.12 - Step 4: Simplify right side
346,367.94x = 97,130,930,048.19 - Step 5: Solve for x
x = 97,130,930,048.19/346,367.94 - Step 6: Final answer
x = 280,427.02
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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.